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Title: "Geryk" hand-operated vacuum pump ref [Go to resource]
Description: "Geryk" hand-operated vacuum pump ref. no. 15282 by the Pulsometer Engineering Co. Ltd., London and Reading License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1900-1969 Source: Science Museum Creator: Pulsometer Engineering Company Identifier: 1985-806 Go to resource More Like this...
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