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 14
Reflector with Holder Attached KEUU-SOO (For 300. 400 iy^^^_^QQ and 500-wattMazda C Lamps) (ForSolid-topReflector) IS.4 R Type with Solid TopContaining Porcelain Socket 12^4 20 5.70
Electric lighting · Interior lighting fixtures, lamps, and ballasts
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