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Title: Screw plate, adjustable, by Whitworth but for fine threads. [Go to resource]
Description: Screw plate, adjustable, by Whitworth but for fine threads. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Screw die Source: Science Museum Creator: Joseph Whitworth and Company Identifier: 1938-529/2 Go to resource More Like this...
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