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Title: Box of Whitworth measuring heads and a open spanner and a ri [Go to resource]
Description: Box of Whitworth measuring heads and a open spanner and a ring spanner for use with the measuring machine. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: measuring heads for micrometer comparator. Source: Science Museum Creator: Whitworth J. & Co. Identifier: 1965-132/2 Go to resource More Like this...
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