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Title: Spring loaded caliper with scale, used in the fitting and ma [Go to resource]
Description: Spring loaded caliper with scale, used in the fitting and manufacture of spectacle frames, made by Dixon, USA, 1930-1950 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: calipers Temporal: 1930-1950 Source: Science Museum Identifier: 1988-381/12 Go to resource More Like this...
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