Standard Porcelain Insulators
Photos - page 3
#4½ - #5
Standard Porcelain Styles (Drawings)
Standard Porcelain Photos page: 1 2 3 4 5 6 7 8
Standard Porcelain #4½
#4½-01: E; #4½-02: N-N; #4½-03: E. P.
#4½-04: T; #4½-05: N-N; #4½-06: G
#4½-07: GLOBE; #4½-08: FEDCO; #4½-09: SUPERIOR NO 4½
#4½-10: T; #4½-11: A I & M CO; #4½-12: N-N
#4½-13: M; #4½-14: N-N; #4½-15: T
#4½-16: T; #4½-17: F (bottom); #4½-18: T
Standard Porcelain #5
#5-01: SUPERIOR; #5-02: P. P. INC.; #5-03: A M C; #5-04: N-N
#5-05: N-N; #5-06: N-N; #5-07: BRUNT; #5-08: N-N
#5-09: P P INC; #5-10: F (bottom); #5-11: WIS-P-C; #5-12: WP