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Title: Photocell galvanometer amplifier, thermal compensator, and " [Go to resource]
Description: Photocell galvanometer amplifier, thermal compensator, and "Voltstat" constant voltage transformer (see 3 stroke numbers). License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1970 Source: Science Museum Creator: H. Tinsley and Co. (maker) Identifier: 1987-422 Go to resource More Like this...
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