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Title: 'Syvania' (formerly Wabash) photo-flash bulb, one of three [Go to resource]
Description: 'Syvania' (formerly Wabash) photo-flash bulb, one of three, with Edison screw fitting and blue spot License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1972-211/8 Go to resource More Like this...
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