Specialty Electrical Porcelain Photos
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Miscellaneous Styles
SP12-01: PATD. JAN. 16, 1917
SP14-01: NO. 8 P&S / PAT. JUNE 14 92
SP14-02: F. E. P. CO. / 1922
SP14-01: NO. 8 P&S / PAT. JUNE 14 92
SP14-03: P&S / PAT / 14 / ??
SP14-04: P&S NO. ? / PAT.D
SP14-05: P & S / PAT.D
Lightning Rod Insulators
SP16-01: B F / R C
SP16-02: KRETZER BRAND
SP16-03: NO 32 (underneath)
SP16-04: N-N
SP16-05: KRETZER BRAND
Odd Insulators
SP18-01: KNOX / 7050
SP18-03: WISP / NO. 3 (for electric fence)
SP19-01: SACKETT / PATD NOV 10 08 (mine insulator)
Fire Plug Insulators
SP20-01: UNIVERSAL / 1001 // PATENTED / APR 12 1910
SP20-02: 1002 // Triangle M
SP20-03: PATENTED / APR 12 1910 // Triangle M
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