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Title: Engineer's calipers [Go to resource]
Description: Engineer's calipers, long straight metal calipers marked P. Williams. Dimensions: 8 3/4" x3/4" License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: calipers Source: Science Museum Identifier: 1981-7182 Go to resource More Like this...
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