No. 300S. 55c. No. 3007. Permanent Pin Break-Arm, 24 inch spread, center Pinfor 1>2 inch cross-arm hole. No. 3001. 1# inch Stem and \% inch Thimble. No. ::ip05. \% inch Stem and l/2inch Thimble. … No. :;<K)1 and 3005. 42c.
Electrical Equipment · Electric lighting · Gas Lighting · Low-voltage distribution equipment · Manufactured wiring assemblies · Wiring connections · Wiring devices · Exterior Lighting · Lighting poles and standards · Exterior gas lighting
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.