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Title: Water-cooled "Protexray" tube (6 K.W. Model) no.32649 [Go to resource]
Description: Water-cooled 'Protexray' tube (6 K.W. Model) no. 32649, by Cuthbert Andrews Limited, London, England, 1932. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1932 Source: Science Museum Creator: Andrews, C. (maker) Identifier: 1932-388 Go to resource More Like this...
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