Ivanhoe metal reflectors and fittings for industrial illumination. Catalog no. 276. (1918)
General Electric Company. Ivanhoe-Regent Works · General Electric Company: Ivanhoe-Regent Works · leaf 35
ADJUSTING ARMS SCHEDULE T PATENTED METHOD OF INSIDE WIRING OF DISC JOINTS 1 INSULATINGCEMEMT … IWSULATIMOCEMENT INSULATINGVARNISH SLEevE Where the wire enters the disc it is fastened in place with insulating cement.It is then coiled once around the fibre sleeve surrounding the screw. In oneextreme position the loop of wire is coiled closely around the fibre sleeve, and inthe opposite extreme…
Electric lighting · Interior lighting fixtures, lamps, and ballasts
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