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Title: Proportional dividers by H.Hughes & Son Ltd. London, in fitt [Go to resource]
Description: Proportional dividers by H.Hughes & Son Ltd. London, in fitted red leather case License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: scaling drawing instruments
proportional compassesSource: Science Museum Creator: Henry Hughes & Son Ltd. Identifier: 1983-1477 Go to resource More Like this...
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