Van Depoele Electric Light Company manufacture single and multiple current dynamo electric machines, motors, electric lamps and electro-plating apparatus ... (1884)
Van Depoele Electric Light Company · Van Depoele Electric Light Company · leaf 19
d on shore if needed. Thislamp is provided with the same feeding mechanism as the preceding lamp, andcan be run for from eight to sixteen hours without renewal of carbons. This lamp is in general appearance similar toFig. 6. Fig. 12 shows the Focusing Lamp forthe use of the lecture room. The lamp…
Lighting · Street lighting · Roadway lighting · Arc lamps
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