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Title: Edison carbon filament lamp, ?25W, ES base, red envelope, by [Go to resource]
Description: Edison carbon filament lamp, ?25W, ES base, red envelope, by General Electric, USA. (Used in the Banting and Best Laboratory during the discovery of insulin, 1921) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1986-1157 Go to resource More Like this...
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