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Title: Differential Screw Micrometer, 1801-1811 [Go to resource]
Description: "Atometer" (differential screw micrometer) in fitted mahogany case made for Sir John Barton,1801-1811 (see note) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: micrometer Temporal: 1801-1811 Source: Science Museum Creator: Barton, John, Sir Identifier: 1928-719 Go to resource More Like this...
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