rated by gravity, and is therefore superior to devicesof this character which are operated by springs and other unreliable attachments. Pulleyswhich depend upon grooves cast inside the case work fairly well until the japanning isworn off and the parts become rusty, and after this the Automatic… … No. 950. 90c No. 980. No. 981. The Cable Clamp shown above is a special patented device which is guaranteed not tocut or champ the cable to which the pulley is suspended. The No. 980 Rope Fastner Hooks are those which are used with No. 950. No. 981 Rope Fastner Bands are those which are used with…
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
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