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Title: Plug type bridge box and galvanometer, marked No [Go to resource]
Description: Plug type bridge box and galvanometer, marked No.4 P.O.4, made by Gambrell Bros., London ( plugs located in hinged box) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Gambrell Bros. (maker) Identifier: 1962-248 Go to resource More Like this...
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