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Abolites porcelain-enameled steel reflector equipment for efficient and economical industrial lighting. (1919)

Adams-Bagnell Electric Co. · Adams-Bagnall Electric Co, · leaf 15

An illustration from Abolites porcelain-enameled steel reflector equipment for efficient and economical industrial lighting., 1919, leaf 15 — Characteristic Distribution Curve45 Angle ABolite … \Bolite

Lighting · Light fixtures · Industrial lighting

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