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Title: Whitworth measuring machine in glass case with 2 'V' plates, [Go to resource]
Description: Whitworth measuring machine in glass case with 2 'V' plates, a mahogany box of measuring heads and an open spanner and a ring spanner. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: micrometer comparator. Source: Science Museum Creator: Whitworth J. & Co. Identifier: 1965-132 Go to resource More Like this...
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