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Title: Geometric chuck, 19th century. [Go to resource]
Description: Compound four-part geometric chuck, by Holtzapffel and Co. with change wheels and accessories, in two mahogany cases; also special stand for operating, with fifteen designs drawn by the pen License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: geometric chuck Temporal: 1839-1900 Source: Science Museum Creator: Holtzapffel and Company Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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