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Title: Lamp-bulb, electric, filament, 4 Kw, for lighthouses; Osram [Go to resource]
Description: Lamp-bulb, electric, filament, 4 Kw, for lighthouses; Osram (G.E.C.),1962 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1967-199 Go to resource More Like this...
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