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Title: One of two lamp-bulbs, electric, filament, 2 1/2 c [Go to resource]
Description: One of two lamp-bulbs, electric, filament, 2 1/2 c.p. Swan type 4, c.1890 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1967-203/1 Go to resource More Like this...
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