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
Fig. 12. Rooms, Etc. Headlight F Lav twenty thousand or more. The reflectors used in conjunction with these lampshave to be chosen to correspond with the work to be done. Any range from onemile to ten can be furnished, or manufactured to order. Fig. 13 represents the Focusing Lamp proper, as is…
Lighting · Street lighting · Roadway lighting · Arc lamps
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