Insulator Catalogs

 

R=∞ Home

Return to Company Listing

 

All of these catalogs, either as original catalogs or Xerox copies of catalog pages, reside in the IRS (Insulator Research Service) files.  Elton Gish maintains the IRS and is always looking for catalogs not on this list.  Please contact me (elton @r-infinity.com) if you would like to share or trade copies of your catalogs.

 

For additional historic information, try these links:

 

The column "Original" means I have an original catalog if there is an "O" indicated. There are 235 original catalogs and copies of more than 445 catalogs.

The column "Format" means I have scans of the catalog available either as TIFF files or PDF.

SP is Standard Porcelain styles.

 

(updated October 24, 2014)

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

Original Company Name Cat. No. Year Pages Format
  A. B. Chance Co. P-69 1970 36  
  A. B. Chance Co.   1970 14  
O A. B. Chance Co.   1979    
  A. B. Chance Co.   1984 8  
  Akron H-P   1903 21 pdf
  Akron Smoking Pipe Co. (SP, cleats, nail-knobs, strain, tubes, third rail)   1908 51  
O Alpha Electric Co. (Brookfield, tubes, nail knobs, SP, cleats, Louis Fort clamp, Westinghouse, Pittsburg, White strain, pins by Hubbard, Peirce, Line Material) 22 c. 1920 1455  
  Allgemeine Elektricitats-Gesellschaft (wooden, porcelain)   1894 15  
  American Automatic Electric Co. (U-188, WT, Armstrong, Hemingray, fireplug, knobs) 6000 ??    
  American Jobbers Supply Co. (Thomas foreign, Illinois Electric)   1925 7  
  American Lava Co.   1924 16  
O Baltimore Electrical Supply Co.     960  
O Baltimore Electrical Supply Co. (tubes, nail knobs, SP, cleats, strain, Dunton tree, Brookfield, Pittsburg)  7  1920 1088  
  Barnes & Kobert Mfg Co. (pins, brackets)   1915 13  
O Birnbach Radio Co., Inc. 41 ~1940 26  
O Bissell (The F.) Co. (Hemingray, Lima, Locke glass, SP, cleats, P&S, tubes)   1907 970  
O Brookfield (reprint of 1912 catalog)   1974 126  
  Brunt Tile & Porcelain 26 1921 20 tiff
  Buell (M. A.) (pin, glass pin-type)   1877 1  
O Bunnell (J. H.) & Co. (Brookfield, glass block, ramshorn, Brooks, knobs, cleats, pin) 8 1886 168  
  Bunnell (J. H.) & Co. (glass, glass block, ramshorn, Brooks, knobs, pin)   1888 6 tiff
O Bunnell (J. H.) & Co. (Brookfield, knobs, hook, SP, cleats, glass block, floor tube, Brooks side-pin) 12 1892 224  
O Bunnell (J. H.) & Co. (Brookfield, knobs, hook, SP, cleats, glass block, floor tube, Brooks side-pin, P&S U-146, U-146A, pig tail) 13 1893 224  
O Bunnell (J. H.) & Co. (Brookfield, Columbia, knobs, hook, Thomas SP and cleats, floor tube, glass block, P&S U-146, U-146A, feeder cable compositions, trolley guard block insulators, Brooks rams horn) 14 1895 224  
  Bunnell (J. H.) & Co. (glass, knob, pin) 14 1895 1 jpg
O Bunnell (J. H.) & Co. (Brookfield, Thomas U-143, knobs, hook, SP, P&S, cleats) 16 1897 222 tiff
O Bunnell (J. H.) & Co. (Brookfield, knobs, hook, SP, Thomas U-143, cleats) 18 1899 224 tiff
O Bunnell Telegraphic & Electrical Co. (Brookfield, SP) 11 1903 62  
O Bunnell (J. H.) & Co. (Brookfield, SP, cleats, G. E. knobs, P&S tubes, Holmes tree, glass block, floor tube) 25 1905-06 368  
  Bunnell (J. H.) & Co. (Brookfield, Thomas, SP, nail-knob, cleats, tubes)   1918 12 tiff
  Bunnell (J. H.) & Co. (Brookfield, nail-knobs, Electrose, tube, antenna strain)   1924 8 tiff
  Bunnell (J. H.) & Co. (Brookfield)   1928 1 tiff
O Buyers' Reference (Peru U-928B, Brunt, F. Locke)   1899 101  
O C. S. Mersick & Co. (SP, Brookfield, nail-knobs, tubes, cleats, White strains) 16E 1916 711  
O C. S. Mersick & Co. (nail knobs, tubes, SP, cleats, White strains, Hemingray) 24E 1924 391  
  Canadian General Electric (Hemingray, Locke, Pittsburg) 3 1920-21 20  
  Canadian Porcelain Co. (similar to Locke catalog) 400 1916 58  
O Canadian Porcelain Co. LTD. (pin-types, all kinds) 401 ??? 118  
O Canadian Porcelain Co. LTD. (pin-types, all kinds) 402 ??? 143  
O Canadian Porcelain Co. LTD. (pin-types, all kinds) 407 1932 256      
O Canadian Porcelain Co. LTD. (pin-types, all kinds) 440 1940 195      
  Canadian Porcelain Co. 462 c. 1960 4      
O Cataract Electric Supply Co. (Brookfield, Knowles, Johns-Manville, SP, cleats, tubes, P&S, trolley)   c. 1910 395      
  Central Electric Co. (SP, Victor split, rams horn, block, Brooks, Tillotson (Brookfield) glass, floor, lightning rod, LRI) 2 c. 1890 20      
O Central Electric Co. (Liquid, Bain, Brookfield, glass knobs, P&S, U-141, U-146, SP, Conover, Victor, break, wood cleats, cleats) 4 1893 525 tiff    
  Central Electric Co. (SP, floor and wall tubes, split knob, forestry, cleats) 7503 1894 8      
O Central Electric Co. (Hemingray, Columbia, glass knobs, floor, wall tubes, rams horn, Locke glass, SP by Thomas, P&S, wood cleats)   1899 537 pdf    
  Central Electric Co. (Brookfield, Hemingray, Locke glass/porcelain, GE knobs, Benbow mine, rams horn, P&S, floor, tubes, cleats, Peru, SP, Bain break)   1902 28      
  Central Electric Co. (Brookfield, Knowles, Imperial, SP, P&S, J-M) 24 1906        
  Central Electric Co. (Imp, SP, P&S, J-M)   1906 20      
  Central Electric Co. (SP, knobs, fireplug, GE and Duggan cleats, rams horn, floor tube, tubes, P&S, mine, Brookfield, New Lexington) 26 1909 27 pdf    
  Central Electric Co. (SP, tubes, P&S, Brookfield, New Lexington) 26 1909        
O Central Electric Co. (SP, tubes, Paragon, fireplug, nail-knobs, cleats, tubes, rams horn, floor, Cutter, Benbow mine, Hemingray, Pittsburg) 28 1912 1112      
  Central Electric Co. (SP, nail-knob, Paragon, fireplug, cleats, tubes, Cutter, Benbow mine, Hemingray, Brookfield, Macomb, Pittsburg) 39 1917 25  
O Central Electric Co. (SP, nail-knob, cleats, tubes, mine, Cutter, fireplug, Hemingray, Brookfield, Macomb, Illinois, Pittsburg, suspension, P&S) 39 c. 1919 1405  
  Central Electric Co. (Hemingray, Pinco, Peirce, SP) 40 1924 10  
  Chester, Charles T. (threadless glass, threaded, "Haley" Cryolite insulator, rubber, Brooks rams horn)   1873 3 tiff
  Circle F Mfg. Co. 9 1920's 84 pdf
  Cleveland Electrical Supply Co. (Hemingray, knobs, wood cleats, tubes)   1905-06    
  Columbian Electrical Co. ( SP, nail-knobs, cleats, Brookfield, Locke glass) 11 1909 4  
  Continental Rubber Works     4  
  Cook Electric Co. (lightning arrester)   1923 6  
  Cook Porcelain Insulator Co.   1926 3  
O Cook Porcelain Insulator Co.   1929 37 pdf/tiff
  Cooke-Wilson Electric Supply Co. (mine, porcelain knobs and spools, strain, hanger for Hemingray No. 71 -- CD 281) 4 1922-23 6  
O Corning Glass Works ("Pyrex Radio Insulators")   1928 11  
  Corning Glass Works (radio insulators)   1929 19  
O Corning Glass Works (Suspension & strain ins.)   1930 16  
  Corning Glass Works (pin types)   1931 27  
O Corning Glass Works ("Pyrex Radio Insulators")   1934 11  
O Corning Glass Works (Pin type & suspension ins.)   1938 48  
  Corning Glass Works (radio ins) -- 1994 Houston Nat. (mixture of pages)        
  Crescent City Electric Co. (Hemingray, G.P. Co.) G c. 1925 3  
  Cutter (George) Co. (arc lamp hangers, etc.)   July 1900 16  
  Cutter (George) Co. (arc lamp hangers, etc.)     64 pdf
  Davidson & Stevenson Porcelain Co. (SP, pin-types)   1918 17 tiff
  Davidson Porcelain Co. (pin-types)   1920's 15 tiff
O Dearborn Electric Co. (fuseholder, SP, cleat, tube)   1902 16  
  Dexmar Minnesota Inc. (polycarbamate polymer)   1990 4  
O Doubleday-Hill Electric Co. (cutouts, Brookfield, Hemingray, Liquid Insulator, Locke glass, Locke porcelain, M-2795, glass block, glass spools, Murdock, U-928B, SP, cleats, tubes, wood cleats, Holmes tree, ramshorn, knobs, floor tubes)  4 1904 1068  
  Dunham, Carrigan & Hayden 20 1903 3 tiff
  E. S. Greeley & Co. (SP, Victor split, Brown pony, rams horn, block, Brookfield, wooden cleats, pins, lightning rod, LRI, Brooks)   1889 38  
  E. S. Greeley & Co. (SP, Victor split, Brown pony, rams horn, block, Brookfield, wooden cleats, pins, lightning rod, LRI, Brooks, battery jars) 23 1893 60  
  Edison General Electric Co. (wood cleat, rubber tube, hook, knob, glass pin-type) 11 1890 1 pdf
  Edwin C. Lewis, Inc, (Thomas)   ?? 11 jpg
O Electric Appliance Co. (Hemingray, floor, SP, cleat, Bain break, Victor split, tubes) 12 1897 567 tiff
  Electric Appliance Co. (Hemingray, Fletcher)   1898 86 pdf
O Electric Appliance Co. (Hemingray, Fred Locke glass and porcelain, Brunt tubes, cleats, and SP, GE knobs and cleats, Victor tree) 20 1903-1904 743  
  Electric Appliance Co. (O-B, Hemingray, SP) - 1909-1910 30 1909 28  
  Electric Appliance Co. (pins, brackets, O-B mine, Hemingray, O-B, White strain, tubes, P&S, nail-knob, fireplug, Paragon, S-H Co., SP, cleats) 38 1913 38  
  Electric Appliance Co. (Hemingray, O-B, SP, nail-knob, cleat) 60 1924 4  
  Electric Appliance Co. (O-B, White strain, tubes, nail-knob, SP, cleats) 60 1924 5  
O Electric Appliance Co. (pins, Peirce brackets, wireholders, Hemingray, Ohio Brass, White strain, tubes, nail-knobs, SP, cleats) 60 1924 472  
O Electric Appliance Co. (SP, Odd, Hemingray, O-B, Brunt, P&S) 30 1909-1910 974  
  Electric Service Supplies Co. (M&E Co. glass pin-type, glass mine and duplex Brown pony)   1909 5 tiff
O Electric Service Supplies Co. (wire feeder, mine, knobs, cleats, tubes, M&E glass pin-types, pins, brackets, Paiste cutouts, third rail, GE cut-out) 4 1909 598  
  Electric Service Supplies Co. (Locke, SP, cleats, tubes, composition spools, Locke dead-end and wall, pins) 4 1911 10  
  Electric Service Supplies Co. (Locke)   1923 26  
O Electric Service Supplies Co. (Franklin Porcelain, Keystone third rail, OB third rail, Thomas huge white insulators, crane conductor hangers, guy strain, composition, mine, lightning arresters, choke coils) 10 1929 919  
  Electric Storage Battery Co.   1908 1  
  Electric Storage Battery Co.   1910 4  
  Electric Storage Battery Co.   1911 2  
  Electric Storage Battery Co.   1918 2  
  Electrical Supply Co. (odd cylindrical 2-part glass knob)   1886 1 tiff
  Electrical Supply Co. (Fluid, glass pin-types, Bain break, floor, Fletcher wireholder, glass knob, SP, battery, cleat) 23 1892 19 tiff
O Electric Supply & Equipment Co. (mine, strains, SP, cleats, nail knobs, tubes, Triangle M, SP, Hemingray, New Lexington, Fletcher wireholders) 10 c. 1915 776  
  Electric Supply & Equipment Co. (strain, Hemingray knobs, SP, nail-knobs, Hemingray, New Lexington?, mine) 10   10  
  Electrose (bushings -- non-pin-types)   c. 1915 84  
O Elliott-Lewis Electrical Co. (Brookfield, Locke porcelain?, tubes, SP, cleats, pins, Louis Fort clamps) 8 1917 858  
  Elliot-Lewis Electrical Co., Inc. (Findlay nail-knobs, GP Co SP and pin-types, tubes, Hemingray) 10 1921 11 pdf/tiff
O Federal Porcelain Co.   1919 23  
  Federal Porcelain Co. (nail-knobs, cleats, tubes, strain)     1  
O Fletcher Mfg. Co. (pins, brackets, wireholders, lamps) 568 1922 82  
  Florida Wire & Cable UP-90 1990 9  
O Fobes Supply Co. (tubes, cleats, nail knobs, SP, Westinghouse, Hemingray) 21 1924 622  
  Frank C. Teal Co. (SP, cleats, S. H. Co., Pittsburg) 18 1918 5  
  Frank Ridlon Co. (floor, GE knobs and cleats)   1901 2  
O Frank Ridlon Co. (Brodie tree, Hemingray, feeder wire, mica, Locke pin, floor tube, wood cleat, GE cleats and knobs, wall tubes, SP)   1902 433  
  Frank Ridlon Co. (pole tops, metal crossarms, trolley, composition, Brookfield?, Brodie tree, pins, strain)   1904 61  
  Franklin Porcelain Co. (Bulletin # 223)   1928 13  
  Gaskell & Grocott (British pin type, SP, cleats, tubes)   1909 33  
  Gaskell & Grocott (British pin type, cleats)   1912 7  
  Gate City Electric Co. (Bain CD 144, Bain break strain, SP, Victor split, Brodie, floor, hook, wood)   1891 303 pdf
  General Electric Co. (Brookfield) 7503 1894 27 pdf
  General Electric Co. (cleat, knob, SP, P&S tubes, hook, Brookfield) 7514 1897 13 pdf/tiff
  General Electric Co. (GE knob, cleats, SP) 7514 1897 12  
  General Electric Co. (Star, SP)   1904 2  
  General Electric Co. (Star, SP, fuse cutout)   1904 25  
O General Electric (floor, tree, wall tubes, SP, Star, 3 porcelain) 7603 1907 430  
O General Electric   1909 380  
  General Electric Co. (nail-knobs, cleats, Star, Locke, tubes) 4645 1909 5  
  General Electric Co. (Star, SP, unipart)   1909 4  
O General Electric (Locke glass, Brookfield, Locke, nail-knob, cleat) 4824 1911 400 pdf/tiff
  General Electric Co. (cleats, wood strain, guy strain, disk strain, Brookfield) A4180 1913 13 pdf/tiff
  General Electric Co. (strain) GE17 1917 1  
  General Electric Co. (Brookfield) GE18 1918 2  
  General Electric Co. (Locke)   1935 5  
O General Electric (Power & Pole Line Equipment)   1938 239  
  General Electric Co. (Hemingray, Locke, strains, odd)   1951 11  
  General Electric Co. (Locke) 61 1961 12  
  General Porcelain Co. 1 1923 5 tiff
O George H. Buckminster Co. (tubes, nail knobs, cleats, Fletcher wireholders, Holmes tree, Pierce tree (U-187), Hemingray, Westinghouse) 5 1924 288  
O George Worthington Co. (Thomas SP, Hemingray, tubes, cleats, Victor forestry, floor tube, Peru cutouts, pins, Cutter)   1902 149 tiff
  Gleason (E. P.) Mfg. Co. (SP, pigtail hook) E 1888 37 pdf
  Gleason (E. P.) Mfg. Co. (SP, tube)   1902 159 pdf
O Graybar Electric Co. (Hemingray, Whitall Tatum, Thomas strain, Thomas) 100 1929 1085  
O Graybar Electric Co. (Hemingray, Whitall Tatum, Thomas strain, Thomas) 101 1934 735  
O Graybar Estimator (Peirce, Hemingray, OB) 76 1940's 336  
  Graybar Electric Co. (Hemingray, Thomas, W-T (Armstrong) 10-S 1940 5  
O Graybar Electric Co. (Hemingray, Lowex, Armstrong, Thomas) 102 1941 1072  
O Graybar (cleats, knobs, nail knob, tube, Peirce, wireholders, Owens-Illinois, Hemingray, OB, Porc. Prod., Hubbard, Armstrong) 103 1948 1116  
O Graybar (Hemingray, OB, Porc. Prod., Hubbard, Armstrong, rubber) 104 1952 1352  
O Graybar (Hemingray, OB, Porc. Prod., Hubbard, Peirce, Armstrong, rubber) 105 1958 1628  
O Graybar (Case transposition bracket, OB, Hemingray) 106 1967 1116  
O Great Western Electric Supply Co. (Brookfield?, Bain, floor tubes, UPW SP, cleats, wood cleats, glass knobs   1891 320  
  H.K. Porter (Delta Star) (suspension, pin-types, manufacturers cross-reference)   1959 19  
O Hartford Faience Co.   1925 25 pdf
  Hartford Faience Co.   1927 4 pdf
  Hartford Faience Co.   1930 13 pdf
  Havens Electric Co. (Hemingray) M   2  
  Hemingray Glass Co. (missing pages 11-13, 21-29, 45-49, 75, 87, and even pages) 27 1911 35  
  Hemingray Glass Co. 28 c. 1913 51  
  Hemingray Glass Co. 1 1921 32  
  Hemingray Glass Co. 2 1922 4  
  Hemingray Glass Co.   1942 18  
  Hemingray Glass Co. (good history of insulators)   1946 24  
  Hemingray Glass Co.   1953 8  
  Hemingray Glass Co.   1953 2  
  Hemingray Glass Co. (price list only)   1956 1  
  Hemingray Glass Co. D-1 1931-33 14  
  Hendrie & Bolthoff Mfg & Supply (SP, Hemingray, Locke)   1945 17  
  Hendrix Wire & Cable Corp. (polyethylene styles)   1981-83 4  
O Henrie & Bolthoff Mfg. And Supply Co. (Locke, Hewlett, Joslyn) 140 1936 592  
O Henrie & Bolthoff Mfg. And Supply Co. (pins, Peirec racks, tubes, SP, White strains, OB, Brookfield) 60 1920 1014  
  Henry L. Walker Co. (SP, nail-knobs, cleats, S-H Co. tubes, wood cleats) B 1910 4  
  Hermsdorf Porcelain Factory (also see Northern Electric)   1905 117  
O Hubbard & Co. (Manwaring U-189B, Pierce) 24 1924 192  
O Hubbard & Co. 28 1928 192  
O Hubbard & Co.   1965 91  
  Illinois Electric Co. (Hemingray, GP Co: tubes SP, nail knobs, cleats, Westinghouse) 11 c. 1898 18  
O Illinois Electric Co. (Hemingray pin-types, SP, tubes, pins, brackets, Brunt SP, Peirce brackets) 15 1903 172  
  Illinois Electric Co. (tubes, Brunt SP, Duggan, P&S, nail-knob, fireplug, Hemingray, Cutter, Thomas, S. H. Co.) 19 1910 21  
O Illinois Electric Co. (Hemingray, SP, tubes, Westinghouse) 25 1919 1142  
  Illinois Electric Co. (tubes, GP Co SP, nail-knob, pins, brackets, Hemingray, Westinghouse) 26 1923 36 pdf/tiff
O Illinois Electric Co. (tubes, GP Co SP, nail-knob, pins, brackets, Hemingray, Westinghouse) 26 1923 671  
  Illinois Electric Material Co. (glass pin-type, spool tree, knobs)   c. 1890's 3  
  Illinois Electric Porcelain Co.   1918 17  
O Illinois Electric Porcelain Co. (pin-types, standard, misc.) 11 1921? 32  
  Illinois Electric Porcelain Co. 26 1923 17 pdf/tiff
O Illinois Electric Porcelain Co. (with price list) 102 1926 64  
  Illinois Electric Porcelain Co. (dry process styles only) 103 1927    
O Illinois Electric Porcelain Co. (with price list) 104 1930 160  
O Illinois Electric Porcelain Co. DL-8 1954 47  
  Illinois Electric Porcelain Co.   ?? 1  
  Inter-Mountain Electric Co. (tubes, SP, cleats, Hemingray, Westinghouse) L 1927 4  
O Iron City Electric Co. (Pittsburg, Thomas tubes and bushings, Hemingray, pins, Peirce brackets) 4 1917 1220  
  Iron City Electric Co. (Hemingray, Parker-Thomas?) 22 1922 8  
O Isolanite Inc. (misc.) Bul. 100-F 1931 59  
  I-T-E 12.1-1A   2  
  I-T-E (marking codes)   1971 20  
  J. J. Duck Co. (Electrose radio antenna, nail-knob, cleat)     2  
  Jeffery-Dewitt 4 1923 56  
  Jeffery-Dewitt 5 ??    
O Jeffery-Dewitt 10 1927 8  
  Jeffery-Dewitt 14 1928    
O Jeffery-Dewitt 14-A 1929 32  
O Jeffery-Dewitt (unipart, suspension, and post) 14A, 15, 16 1929 108  
  Jeffery-Dewitt   1934 15  
O Jeffery-Dewitt (pin-type and pins) sections 5-6 1934 13  
O Jeffery-Dewitt (suspension and strain) section 2 1934 61  
O Jeffery-Dewitt (unipart, suspension, and post) [loose pages]   1938 50  
O Jeffery-Dewitt (unipart, suspension, and post) 40 1940 96  
O Jeffery-Dewitt (Price List for Bulletin. 200 thru 900)   5-5-1941 30  
O Jeffery-Dewitt -- Suspension and Strain Insulators 200 c. 1941 34  
O Jeffery-Dewitt -- Switch and Bus Insulators 700 c. 1941 27  
  Jeffery-Dewitt 500 1950 6  
  Jeffery-Dewitt   1952 5  
  Jerome Redding (glass pin-type, knob)   c. 1880's 2  
  Johns-Manville   1894 3  
O Johns-Manville (molded mica pin-types, Thomas, glass, reconstructed granite third rail) 14 1905 349  
  Johns-Manville (Thomas, glass) 15 1911 15  
O Joslyn Mfg. & Supply Co. (Pinco, Illinois, Hemingray) 10 1926 224  
O Joslyn Mfg. & Supply Co. (Pinco, Hemingray) 11 1934 221  
O Joslyn Mfg. & Supply Co. (Pinco, Hemingray, Illinois, Triangle M, SP) 12 1939 248  
O Joslyn Mfg. & Supply Co. (Pinco, Hemingray LOWEX) 14 1941 262  
O Joslyn Mfg. & Supply Co. (Pinco, Hemingray) 15 1945 300  
O Joslyn Mfg. & Supply Co. (Pinco, Triangle M specialty, Hemingray) 16 1950 340  
  Joslyn Mfg. & Supply Co (Pinco & Hemingray) 17 1954 13  
  Joslyn Mfg. & Supply Co (Pinco)   1962 8  
  Joslyn Mfg. & Supply Co (Pinco & Hemingray & wireholders) 10-67 1967 7  
  Joslyn Mfg. & Supply Co (Pinco & Hemingray) 305-70 1968-72 10  
  Joslyn Mfg. & Supply Co (Unitary suspension ins.) 302-69 1969 6  
  Joslyn Mfg. & Supply Co (Pinco)   1970 5  
  Joslyn Mfg. & Supply Co   1983 9  
  Joslyn Mfg. & Supply Co   1986 7  
  Julius Andrae & Sons Co. (Westinghouse, strain, Dunton tree, nail-knob) 48 1919 15  
  Julius Andrae & Sons Co. (Electrose radio antenna, nail-knob, cleat) R-8 1925 2  
  Julius Andrae & Sons Co. (Hemingray, Brunt tube and knobs, E.P.Co. knob)     3  
  Kellogg (Hemingray, porcelain) 8 1928 1  
  Kellogg (Hemingray, PP, Rubber)   1960's 3  
O Knowles 20 1902 49  
  Knowles, C. S. (Imperial, New Lexington, Knowles Prism glass) 51 1907 48 tiff
  Knox 3 ??    
O Knox Porcelain Corp. 3   88  
  Knox Porcelain Corp. (neon signs) 5 ?? 3  
  Knox Porcelain Corp. 6 ?? 3  
O Knox Porcelain Corp. 7 1938 72  
  Knox Porcelain Corp. 9 1948 8  
  Knox Porcelain Corp. 10 1950 2  
  Knox Porcelain Corp. 10 1950 3  
  Knox Porcelain Corp. 11 1953 107  
O Knox Porcelain Corp. (several sections in paper covered binder) 11 1953    
  Knox Porcelain Corp. 11 1959 2  
  Knox Porcelain Corp. 11 1960 10  
  Knox Porcelain Corp. 11 1968 24  
  Knox Porcelain Corp. (pin-type & suspension) 12 1971 16  
  L. G. Tillotson   1883    
  L. G. Tillotson (CD 131 and pin) 13   1  
  Landgon & Hughes Electric Supply Co. (SP, cleats, White strain, Fort wireholder, Brookfield, glass block) 1 1920 9  
O Lapp Insulator Co. 1 1918 31 tiff
O Lapp Insulator Co. 2 1920 32  
O Lapp Insulator Co. 3 1923 35  
  Lapp Insulator Co. (paste-up copy of 1920 cat. for printer) 3 1923 34  
  Lapp Insulator Co. (plus "million lbs. on a teacup") 3A 1925 35  
  Lapp Insulator Co. (3A second edition) 3A 1926 35  
  Lapp file drawings of insulators (with 1931/1934 catalog book)   1927-35 7  
O Lapp Insulator Co. 4 1928 96  
O Lapp Insulator Co. 5 1931 141  
  Lapp Insulator Co. (radio insulators) 110 1934 25 pdf
O Lapp Insulator Co. 6 1939 127  
O Lapp Insulator Co. 7 1948 125  
  Lapp Insulator Co. (+ radio & bolt-end insulators) 8 1953 29  
O Lapp Insulator Co. 8 1959 167  
O Lapp Insulator Co. (suspension ins.) 9-B 1970 49  
  Lapp Insulator Co. 10G 1986 36  
  Latham (E. B.) & Co. (SP, tubes, Brookfield) 34 1912 14 pdf/tiff
  Leonard and McCoy (Brookfield, SP, P&S, Fletcher, cleats, Duggan, IXL)   1900 90 pdf
O Lima Insulator Co. 1 1904 32  
  Line Material Co. (wireholder, rack spool, strain, Hendee tree)   1927 15  
  Line Material Co. (loop ins. & feeder cable ins.)   1928 1  
O Line Material Co.   1938    
  Line Material Co. (L-M, Hemingray, wireholders)   1958 14  
  Locke Ins. Mfg. Co. 3 1895 9 tiff
  Locke Ins. Mfg. Co. 3 1897 15 tiff
  Locke Ins. Mfg. Co. 4 1899 14 tiff
O Locke Ins. Mfg. Co. 5 1900    
O Locke Ins. Mfg. Co. 6 1902    
O Locke Ins. Mfg. Co. 8 1904 56 tiff
  Locke Ins. Mfg. Co. (Supp. No. 1) 8 1905 2  
  Locke Ins. Mfg. Co. 9 1906 2  
O Locke Ins. Mfg. Co. 9 1907 59 pdf
O Locke Ins. Mfg. Co.   1910 90 tiff
O Locke Ins. Mfg. Co.   1912 20 tiff
  Locke Ins. Mfg. Co.   1913 200+  
O Locke Ins. Mfg. Co.   1916 184  
  Locke Ins. Mfg. Co.   1919 136  
O Locke Ins. Corp. (pin type ins.) -- Bulletin #4 25 1923 19  
O Locke Ins. Corp. (suspension & hardware) -- Bulletin #2 25 1923 54  
O Locke Ins. Corp. 25 1925 253  
O Locke Ins. Corp. 27 1927 309  
O Locke Ins. Corp. (added drawings, notes, Locke Sign ) 27 1927 309  
  Locke Ins. Mfg. Co. 27 1927 52  
O Locke Ins. Corp. ("The Locke Sign" -- multiparts only)   c. 1929 16  
O Locke Ins. Corp. ("The Locke Sign" -- suspensions only)   c. 1930 20  
O Locke Ins. Corp. 32 1932 320  
O Locke Ins. Corp. (lots of added drawings, RFI article) 32 1932 320  
O Locke Ins. Corp. -- "Locke Hi-Top One-Piece Insulator"   1933 4  
O Locke Ins. Corp. "Switch & Bus Insulators"   1934 27  
O Locke Ins. Corp. (Seyler hardware) 36 1936 224  
O Locke Ins. Corp. (loose leaf hard cover)   1939-1943    
O Locke Ins. Corp. (loose leaf hard cover) [few additional pages]   1939-1943    
  Locke (G-E) (Hemingray - Manufacturer cross-reference)   1945 20  
O Locke Ins. Corp. (Radio Insulators)   c. 1945 28 pdf
O Locke Incorporated -- RM Handylog (pin-types, suspension, etc.)   1949 99  
O Locke Ins. Mfg. Co. 55 1955 233  
  Locke - NGK (cap & pin ins.) 871 ?? 12  
  Locke - NGK (suspension ins.) 861 ?? 18  
O Locke Ins. Corp. (Modern Radio Broadcasting Insulators)   ??? 22 pdf
O Manhattan Electrical Supply Co. (Brookfield, SP, cleats, rubber tube, rubber ramshorn, Victor split tree) 6 1896 104 pdf
  Manhattan Electrical Supply Co. (rubber, hook, cleat, tubes, SP, GE knob, Victor split, floor, Brookfield?, Brown pony) 10 1898 337 pdf
  Manhattan Electrical Supply Co. (floor, tubes, cleats, Victor split, Brookfield, Brown's pony) 11 c. 1899 5  
O Manhattan Electrical Supply Co. (feeder wire, Brookfield, Pittsburg, SP, cleats, nail knobs, tubes) 13   896  
  Manhattan Electrical Supply Co. (Brookfield, Imp, SP, cleat, wooden) 18 c. 1902 67 bmp
  Manhattan Electrical Supply Co. (Brookfield, Imperial, SP, cleat, tubes, wooden)   1904 16  
  Manhattan Electrical Supply Co. (Brookfield, Locke, Imperial, SP, cleat, tubes, wooden) 21 1905 736 pdf
O Manhattan Electrical Supply Co. (Brookfield, SP, cleats, tubes, duplex pins) 16 1910 80  
  Manhattan Electrical Supply Co. (Imp, SP, cleat) 25 ??    
O Manhattan Electrical Supply Co. (Brookfield, Locke glass, Pittsburg, SP, cleats, tubes, nail knobs, rubber ramshorn, duplex pins, J-M trolley) 27 c. 1919 918  
O Manhattan Electrical Supply Co. (Brookfield, Locke glass, Pittsburg, SP, cleats, tubes, nail knobs) 30 c. 1922 896  
  Mayer & Englund (glass, Locke)   1905 21 jpg
  Mayer & Englund (glass, Locke)   1905 11 pdf/tiff
  McCarthy Bros. & Ford (SP, Hemingray, West.)   1920 10  
O McGraw-Hill Electrical Trade Catalog (dozens of companies)   1927-28 370  
  McGraw-Edison   1968-70 4  
  Mersick (C. S.) & Co. (SP, cleats, Hemingray) 24E 1924 2  
O Metropolitan Electrical Supply Co.   c. 1890's 32  
  Metropolitan Electric Co. (Hemingray, Stuart insulator, Thomas SP, Conover knob and cleat, P&S, Hammond knob and cleat, Nashold cleat, Eureka cleat, Duggan cleat, wood cleats, rams horn, split knob, porcelain tubes, rubber tubes, glass floor tube, corner insulator, Eichberg tree insulator) 3 1895 755 pdf/tiff
O Mid-West Electric Co. (SP, Hemingray, Thomas?, Cutter) 18 1918 736  
O Mine & Smelter Supply Co. (Locke pin-types, strains, Hemingray, tubes, nail-knobs, cleats, mine, SP, and Locke pins) 26 1913 672  
  Mine and Smelter Supply Co. (SP, Fireplugs, Westinghouse, Hemingray, strain) 56 1919 16  
  Montana Electric Co. (Thomas, SP, P&S)   1912    
  Morley Brothers Electrical Supplies (Hemingray) 1 1920 5  
O W. G. Nagel Electric Co. (Hemingray, New Lexington Crown, nail-knob, tubes, SP, cleats) 8 c. 1912 560  
  National Electrical Supply Co. (Brookfield, Hemingray, Prism, Imperial, Lima, Locke)   1907 11  
  National Electrical Supply Co. (Thomas) 16 1914 3  
O National Metal Molding Co. (National wireholders, racks, brackets) 603 1922 12  
O National Metal Molding Co. (National wireholders, racks, brackets) 18-007 1927 24  
  National Porcelain Co.   1962 10  
  New Haven Clock Co. (wooden cleat, rams horn, UPW SP, pony pin-type)   1889-1890 3  
  New Haven Porcelain Co. (superior porcelain)   1972 17  
  New Lexington   1908   pdf
  Newark Electrical Supply Co. (tubes, SP, nail-knobs, Brookfield, Thomas) 19 1919 8 pdf/tiff
  Newell Porcelain Co., Inc.   1990 14  
  NGK Insulators, LTD 15C ?? 18  
  NGK Insulators, LTD 15 1971 14  
  Northern Electric Co. (Hemingray, Dominion, Hermsdorf, Thomas)   1915 5 tiff
O Northern Electric Co. (Brookfield, Thomas, suspension, Holmes tree, Electrose, SP, cleats, wall tubes, pins, Electrose, Fletcher wireholders, nail knobs, strains, mine) 3 1917 1461  
  Northern Electric Co. (SP, cleats, tubes, nail-knobs, Hemingray, Dominion, Thomas, Electrose strain, Canadian Porcelain, strain, Hewlett) 7   12  
  Northwestern Electric Equipment Co. (Westinghouse, Hemingray No. 41 [CD 224.5])   1915 9  
  Northwestern Electric Equipment Co. (tubes, nail-knobs, fireplug, Paragon, S. H. Co., White strain, SP, Brookfield, Thomas, Holmes tree)   1914-15 26  
O Northwestern Electric Equip. Co. (SP, fireplugs, tubes, cleats, Hemingray, Westinghouse, White strain, Holmes tree, nail knobs) 16 1915-16 1304  
O NW General Electric Supply Co. (Hemingray, Locke, Macomb, SP) 29 1928 370  
  Novelty Electric Co. (ramshorn, knob, cleat, CD131, CD102)   1885 4 pdf
  Ohio Brass (Electric Railway Supplies) -- Hemingray 4 1899 245  
  Ohio Brass (Bain break strain, glass knobs, SP, Holmes tree, Victor tree, Hemingray, Locke, mine, Locke glass, Hemingray, pins, Locke gutter dead-end) 6 1903 66 pdf/tiff
  Ohio Brass (Elect. Rwy, Lt & Pwr) -- Hemingray 6 1903 7  
  Ohio Brass (Elec Rwy & Mine Supplies) - (Hemingray) 7 1907 553  
  Ohio Brass - October 1 1907 64  
  Ohio Brass (Elect Railway) - Oct. (odd strain) (supplement to #7) 7 1908 4  
  Ohio Brass (H-T Porcelain Insulators) - Jan. 2 1909 102  
O Ohio Brass Co. (April - Elec., Rail & Mine) - (Hemingray) 8 1910 297  
  Ohio Brass (Elec Rrwys, Mine, Trans.) - June (porcelain & Hemingray) 9 1910 218  
  Ohio Brass (H-T Porcelain Insulators) - July 10 1910 120  
O Ohio Brass Co. (Elect. Railway and Mine) July 1910) 10 1910 120  
  Ohio Brass (Supplement No. 2) - July   1911 91  
  Ohio Brass 12 1912 9  
  Ohio Brass (Elect Rwy, Mine & Trans) 12 1912 2  
O Ohio Brass Co. (Hemingray) 12 1912 487  
  Ohio Brass (Elec Rwy Mine Haulage & Trans. Lines) Hemingray 14 1914 606  
O Ohio Brass Co. (Hemingray) 16 1916 654  
O Ohio Brass Co. (Hemingray) 17 1919 671  
O Ohio Brass Co. (Hemingray) 18 1921 638  
  Ohio Brass 19 1925 13  
O Ohio Brass Co. (Ins. section) - (Hemingray) 19 1924-25 340  
O Ohio Brass Co. (Hemingray) 20 1926-27 916  
O Ohio Brass Co. 21 1934 422  
O Ohio Brass Co. (Ins. section) 21 1934 182  
O Ohio Brass Co. (switch & bus ins.) Bul. 607H 1934 24  
O Ohio Brass Co. (all kinds) [small 2-ring notebook]   1935-1939    
O Ohio Brass (Mining & Industrial) 22 1939 160  
  Ohio Brass (control gaps) 24 1940 102  
O Ohio Brass Co. 24 1940 159  
O Ohio Brass Co. 26 1947 160  
  Ohio Brass (Mining and Industrial) 27 1949 6  
O Ohio Brass Co. 28 1953 167  
O Ohio Brass Co. 53 1967 58  
O Ohio Brass Co. 60 1970 59  
  Ohio Brass 60A 1973 10 pdf
O Ohio Brass Co. (Hi-Lite plastic rod ins.) Pub. 2554-H 1976 28  
  Ohio Brass   1980 60 pdf
  Owens-Illinois Glass Co. (LOWEX)   1940 7  
  Pacific States Elec. Co. (Locke, SP) 26 1921 14  
O Pacific States Electric Co. (Locke, Hemingray) 26 1918-1922 472  
  Parker   1915 11  
  Partrick & Carter (Brooks, La Bastie, CD 136.7, knob)   1878 2  
O Partrick & Carter Co (glass pin-types, knobs, battery)   1895 130  
  Pass & Seymour   July 1, 1892 1 tiff
  Pass & Seymour   Nov. 16, 1892 31  
O Pass & Seymour 11 1899 60 tiff
O Pass & Seymour 12 1900 63 tiff
O Pass & Seymour   1911 70  
  Pass & Seymour (cut-out, cleats, strain, tubes) 21 1912 3  
  Pass & Seymour (cut-out) 22 1914 1  
  Pass & Seymour (cut-out, tubes, cleats) 23 1915 1  
O Pass & Seymour 28 1927-8 36  
  Pass & Seymour (cut-out) 29 1929 1  
  Pass & Seymour (cut-out) 30 1930 1  
  Pass & Seymour (cut-out) 32 1932 1  
  Pettingell Andrews   1893 198 pdf
  Pettingell Andrews   1901 54 pdf
  Pettingell Andrews (Locke, Brodie) 12 1905 14 jpg
  Pettingell Andrews (pins, brackets, Brookfield, Locke glass, Locke porcelain, Holmes tree, Brodie tree, cleats, SP, tubes, P&S, wood cleats) 12 1905 34  
  Pettingell Andrews (Brookfield, Locke, misc) 14 1910 43  
O Pettingell Andrews (cleats, nail knobs, split knobs, wall tubes, SP, P&S, railway, Locke pins, Locke glass, Locke porcelain, Brookfield, Brodie and Holmes tree insulator) 14 1910 723  
  Pettingell Andrews (Brookfield, Locke, misc) 15 1914 67 tiff
O Pettingell Andrews (tubes, nail knobs, split knobs, Exemplar cleats, SP, White strain, Brookfield, Locke "Victor" unipart, multipart, and suspension, deadend spools, Holmes and Dunton tree insulators) 18 1918 1216  
O Pettingell Andrews 22 1922 720  
  Pettingell Andrews (Lynchburg, Illinois, Pinco, misc) 25 1924 23  
  Pettingell Andrews (radio antenna bone insulator)   1925 1  
O Pinco 1 1921 22 pdf
O Pinco 3 1922 49 pdf
O Pinco 4 1926 82 pdf
O Pinco (2 suspensions & hardware) Supp. #1 1927 16 pdf
O Pinco (4 sections: General, Suspension, Pin Type, S & B) 5 1936 174 pdf
O Pinco (The Hi-Line Hand Book) - suspensions   c. 1936 32 pdf
  Pinco   1941 28  
O Pinco 49 1949 152  
O Pinco 301-62 1962 63  
  Pittsburg   1908 ? 16  
  Pittsburg 2 ?? 81  
  Pittsburg 3 1913    
O Pittsburg (all kinds plus 5-PART multi!) Export Cat. No. 20 c. 1920 240  
  Porcelain Products, Inc. 1 1930 6  
O Porcelain Products, Inc. (pin-types, suspension, misc.) 1 1930 62  
O Porcelain Products, Inc. (specialty, bathroom) 2 1931 25  
O Porcelain Products, Inc. (Distribution Cutouts)   c. 1931 16  
O Porcelain Products, Inc. (neon signs) --- Bulletin No. 27   c. 1931 8  
O Porcelain Products, Inc. (radio antenna) --- Bulletin No. 21   c. 1931 5  
O Porcelain Products, Inc. (pin-types, suspension, mine, wireholders) CPG-10 1935 90 pdf
  Porcelain Products, Inc. 10 1937    
O Porcelain Products, Inc. (pin-types, suspension, mine, wireholders) 17A 1940 52  
  Porcelain Products, Inc. (wireholders, clevis)   c. 1952 8  
O Porcelain Products, Inc. 53 1953    
  Porcelain Products, Inc. (pin-types & suspension)   1976 7  
  Porcelain Products, Inc. (pin-types & suspension)   1982 8  
  Porcelain Products, Inc. (knobs, telephone, antenna, cleats, nail knobs, forestry, tubes)   1984 2  
  Porcelain Products, Inc. (pin-types & suspension)   1986 8  
  Porcelain Products, Inc. (pin-types & suspension)   1992 8  
  Poter & Berg (SP)   1904 1  
  Reliance Comm/Tec (plastic)   1981 7  
O Rochester Electrical Supply Co. (tubes, cleats, nail knobs, Hemingray, Westinghouse)   1925 464  
  S. H. Supply Co. (cleats, tubes, SP, pony) 37 1909 2  
  Salt Lake Electric Supply   1897 149 pdf
  Siemens Brothers & Co. (British porcelain, iron clad) 11 1910 22  
O Southern Electric Co. (Holmes tree, Brookfield, Thomas, SP, nail-knobs, cleats, White strains) 11 1918 883  
  Southern New England Electric   1929 18 tiff
O Standard Electrical Supply Co. (Brookfield, Locke glass, Imperial, SP, GE knobs and cleats, P&S, tubes, wood cleats)   1905 686  
  Stanley & Patterson, Inc. (Holmes tree, Brookfield, Pittsburg) 19 1917 12  
  Stanley & Patterson, Inc. (Holmes tree, Brookfield, Pittsburg, nail-knobs, SP, cleats, White strain, Fort wireholder) 19 1917 18  
  Steiner Electric Co. (Hemingray, Armstrong, Electrose)   1942 4  
  Stewart (Frank H.) Electric Co. (tubes, P&S, SP, cleats, Murdock knobs, strain, Brookfield, Thomas) 11   9  
  Stewart (Frank H.) Electric Co. (Brookfield, duplex pony) 14   1  
O Stewart (Frank H.) Electric Co. (Brunt tubes and SP, Duggan cleats, B&D knobs, Murdock knobs, rubber hook, Dunton tree, Cutter, pins. Brookfield, New Lexington (Imperial), wood cleats) 15 c. 1908 540  
  Stewart (Frank H.) Electric Co. (Brunt SP, strain, Cutter, Duggan cleats, pins. Brookfield, Locke glass, Thomas) 16 1909 36 pdf/tiff
  Stewart (Frank H.) Electric Co. (Thomas SP) 22 1919 2  
  Stromberg-Carlson (Hemingray, glass knobs, Cutter, Victor split, strain, tubes)   1910 7  
  Stromberg-Carlson (Hemingray, glass knobs, Cutter, Victor split, strain)   1911 6  
  Stromberg-Carlson (Telodetective - the silent investigator of crime)   1911 16  
O Stuart-Howland Co. (Brookfield, Locke glass, Knowles, Fred Locke, SP, Brodie tree, Holmes tree) 1902 332  
  Stuart-Howland (GE, Brookfield, Thomas, Brunt)   1907    
O Stuart-Howland Co. (Brodie, Holmes, feeder, Brookfield, Locke porcelain, Knowles, Thomas, Pittsburg, SP, Brunt, GE) 7 1912 1072  
  Sun Electrical Co., LTD (porcelain pin-types, shackle, tubes, cleats, split knobs, knobs) 5 1936 6  
O Superior Porcelain (knobs, cleats, spools, wireholders)   1949 18  
  Superior Porcelain (old New Haven Porcelain)   1972 17  
O Sweeten-Crossan Electric Co. (Brookfield, Knowles, Locke glass, Thomas glazeweld, SP, wood cleats, Thomas cleats, nail-knobs, tubes)  15 c. 1908 451  
  T. C. White Co.     24  
  Taylor Goodhue & Ames (Brookfield, knobs, cleats)   1893 12  
O Taylor Tunnicliff & Co. - Switch Gear Insulators   c. 1940 56  
O Thomas   1904 20  
  Thomas (G. W. Thomas)   1904 22  
  Thomas   1907 71  
  Thomas ("Standard Porcelains", dry process pin-types, SP, nail-knobs, cleats, tubes, mine, strain)   c. 1910's 48  
  Thomas ("Standard Porcelains", SP, cleats, tubes, strains, )   c. 1910's 30  
  Thomas 12 1912 64  
O Thomas   1915 39  
O Thomas 16 1917 106  
O Thomas 19 1920 144  
O Thomas - Standard Electrical Porcelain (before E. Liverpool closed in 1927)   1920's 30  
  Thomas (line wire protectors)   c. 1920 7  
  Thomas Standard Electrical Porcelain (SP, cleats, tubes, nail-knob, strains)   c. 1920 30  
O Thomas - Insulator Pins & Cross Arms D-28 1928 37  
O Thomas - Pin Type Insulators   1928 64  
O Thomas - Suspension Insulators & Hardware   1928 112  
  Thomas Insulator Pins and Cross Arms D-28 1928 35  
O Thomas 30 1930 463  
O Thomas - Supplementary Catalog (to 1930 catalog), Lisbon   1934 50+  
  Thomas (Supplement to catalog No. 30)   1934-36 59  
O Thomas - Pedestal Ins. for Switch & Bus Supports   1937 13  
  Thomas (Silent-Type)   1938 6  
O Thomas (several sections in metal ring binder) 40 1940 117  
  Thomas Standard Electrical Porcelain (SP, cleats, tubes, nail-knob, strains, crane, wireholder)   1944 15  
O Thomas EEI-NEMA Standards (Pin-types, suspension, etc.)   1956 8  
  Tower-Binford Electric & Mfg. Co. 17 1916 55  
  Trenton Porcelain Co. (SP, nail-knobs, Buckeye split knob, Findlay nail-knobs, cleats, strain, New Lexington "Crown" pin-types)   c. 1908 30  
O Union Electric Co. (P&S, wood cleat, Hemingray, Lima, Murdock, GE, nail knob, cleat, B&D, SP, tubes, brackets, pins) 2 1908 794  
  Union Electric Co. (nail-knobs, SP, cleats, White strain, mine, fittings, brackets, Hemingray, Lapp) 8 1917 13  
  Union Electric Co. (nail-knobs, SP, cleats, strain, mine, fittings, brackets, Hemingray, Lapp, cleats, battery, J-M or GE trolley composition) 9 1920 34  
  Varney Electrical Supply Co. (Hemingray)   1913 1  
O Victor Insulators, Inc.   1935 70  
O Victor Insulators, Inc.   1937 17  
O Victor Insulators, Inc.   1939 18  
  Victor Insulators, Inc.   1941 4  
O Victor Insulators, Inc.   1950    
  Victor (I-T-E) (fogbowl suspension & other fog types) 101 1956 4  
  Victor (I-T-E) (manufacturer cross-reference) 56 1956 23  
  Victor Insulators, Inc. (fogbowl, pin post, post) 40R 1985 11  
O Victor Insulators, Inc. (switch & bus insulators) V300 1991 47  
O Victor Insulators, Inc. (transmission & distribution insulators) V200 1991 23  
  Victor Insulators, Inc. (Bulletin #4)   ?? 4  
  Victor Insulators, Inc. (Bulletin #8.1.1-1C)   ?? 20  
O Victor Insulators, Inc. -- Kiln No. 3   ??? 12  
  W. G. Nagel Electric Co. (N-L "crown" ins., Hemingray, SP)   1916 8  
  Walker & Kepler (SP, cleats, tubes, odd, Spanish slot-top)   1894 20  
  Washington Electric (Hemingray, Westinghouse, dead-end, SP, cleat) 19 1919 12  
  Washington Electric Supply Co. (Cutter lamp hangers)     2  
  Wesco Supply Co. (Hemingray, Pittsburg, Locke, strains, Locke dead-end, SP, cleat) 400 1922 9  
  Western Electric Mfg. Co. (battery jars, battery insulator, Brooks, Ponds, Kenosha, CD 131)   1877 17  
  Western Electric Mfg. Co. (Brooks, Ponds, La Bastie, Kenosha, CD 131)   1878 4  
  Western Electric Mfg. Co. (battery jars)   1880 5  
  Western Electric Mfg. Co. (battery jars)   1882 4  
  Western Electric (rams horn, CD 127, porcelain knobs, Brookfield, cleat)   1889 4  
  Western Electric (rams horn, CD 127, porcelain knobs, Brookfield, cleat)   1890 9  
  Western Electric (lamp hangers, Brookfield, Liquid, Locke, SP, P&S, hook, cleats, Nashold cleat)   1897 36 tiff
O Western Electric (SP, Brookfield, Liquid, Fred Locke, U-928B, P&S, rams horn, tubes, cleats, IXL cleat, wood cleat, rubber tubes, floor tubes)   1898 555 pdf
  Western Electric (lamp hangers, Brookfield, Liquid, Locke, SP, P&S, hook, cleats, Nashold cleat, glass tubes)   1898 28  
O Western Electric (Locke, Hemingray, Liquid Insulator, Brookfield, Locke glass, Peru, SP, P&S, wood cleats, Holmes tree, tubes, cleats, knobs, floor)   1901 1073  
O Western Electric, Standard Porcelain only   1901 56  
  Western Electric (Thomas, Brookfield, Hemingray, Locke glass, SP, P&S)   1904 24  
O Western Electric (Hemingray, Thomas glazeweld, SP, Holmes tree, P&S tubes, W and IXL and P&S cleats, knobs, floor)   1904-05 593  
  Western Electric (SP, nail-knobs, Star Ideal knob, GE, tubes, P&S, Thomas, strain, Brookfield )   1908-09 25  
  Western Electric (Thomas, Brookfield, Hemingray, Locke glass, GE, SP, P&S)   1908-09 41  
O Western Electric (SP, Odd, Electrose, cleats, Star knob, GE, P&S tubes, Thomas, Brookfield, composition, Cutter hangers, Holmes tree, rams horn)   1908 838  
O Western Electric (SP, Odd, Electrose, Thomas, Hemingray, Brookfield)   1915 1216  
O Western Electric (SP, Odd, Electrose, Thomas, Hemingray, Brookfield. Tubes, nail knob, cleats, strain, Holmes tree)   1916 1504  
O Western Electric (SP, Odd, Electrose, Thomas, Hemingray, Brookfield)   1917 1312  
O Western Electric (SP, Odd, Electrose, Thomas, Hemingray, Brookfield. Tubes, nail knob, cleats, strain, Holmes tree)   1918 1160  
O Western Electric (bound bulletins)   c. 1918    
O Western Electric (SP, Electrose, Thomas, Brookfield, Tubes, nail knob, cleats, strain, Holmes tree)   1919 1120  
O Western Electric (SP, Odd, Electrose, Thomas, Hemingray, Brookfield, Tubes, nail knob, cleats, strain)   1920 1248  
O Western Electric (SP, Odd, Electrose, Thomas, Hemingray)   1922 1309  
O Western Electric (SP, Thomas, Hewlett, Electrose, cleats, nail knob, Hemingray, tubes, radio antenna, Peirce)   1924 904  
O Western Electric (Hemingray, Thomas knobs and cleats) 6 1925 350  
O Western Electric (Graybar) (Hemingray, Thomas, Hewlett, Thomas strains and radio strain)   1926-27 1012  
O Western Electric Telephone Apparatus -- Graybar (Hemingray, Thomas strain, knobs, tubes, Peirce) 7 1929 400  
  Western Electric (Hemingray, SP)   ?? 8  
  Western Electric Year Book (Hemingray, Thomas strain and antenna, Thomas pin-type)   1926-27 3  
  Western United Electric Supply (Joslyn)   ?? 4  
  Westinghouse (Hemingray) 10 1909 6  
  Westinghouse (Hemingray)   1916 32  
  Westinghouse   1917 82  
  Westinghouse   1919 44  
O Westinghouse   1920 1456 tiff/pdf
  Westinghouse   1923 6  
O Westinghouse   1923-1924 190  
  Westinghouse   1925 12  
  Westinghouse 8687 1926 30  
  Westinghouse   1925-27 40  
O Westinghouse 8687 1926-1928 188  
  Westinghouse   1928 16  
O Westinghouse 213 1931 73  
  Westinghouse (deadend spools)   1935 1  
O Westinghouse   1936-1938 80  
O Westinghouse   1939-1940 1228  
  Westinghouse (suspension)   1941 10  
O Westinghouse 100 1949 894  
  Westinghouse   1951 7  
  Westinghoue (Hemingray)   1959 1  
O Wetmore-Savage Co. (Pittsburg, Imperial, Brookfield, tubes, SP, Dunton tree, Brodie tree) 5 1911-12 1053  
  Wetmore Savage (Hemingray, Westinghouse)   1929 1  
O A. J. Wilkinson & Co. Electrical Goods   1891 81  

 

Return to Company Listing

R=∞ Home


Hit Counter