Dual Output Electric lamp
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A lamp is an electrical device used to create artificial light. This lamp uses the reflection of a convex surface, and a ring fitting to engage the incandescent light bulbs.
Keywords
lamp, electric lamp, lighting fixture, stage instruments, free standing light, dual output lampGalleries
Electric Lighting FixturesSource
Government Printing Office The Official Gazette of the United States Patent Office (Washington, DC: Government Printing Office, 1895)
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