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Title: Electric lamp with 2 filaments and intergral switch, bayonet [Go to resource]
Description: Electric lamp with 2 filaments and intergral switch, bayonet cap, made by the Economical Electric Lamp Co., N.Y., c.1900 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1967-75 Go to resource More Like this...
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