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Title: Lamp-bulb, electric, 2 filaments, 220v, type "Hylo", with E [Go to resource]
Description: Lamp-bulb, electric, 2 filaments, 220v, type "Hylo", with E.S. Cap and spring switch for dim light, by Phelps, U.S.A., c.1905 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1970-281 Go to resource More Like this...
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