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Title: Ellipsograph, brass, in mahogany case with accessories, sign [Go to resource]
Description: Ellipsograph, brass, in mahogany case with accessories, signed Troughton & Simms, London, mid 19th License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: ellipsographs
curve drawing instrumentsTemporal: 1840-1860 Source: Science Museum Creator: Troughton & Simms Identifier: 1984-196 Go to resource More Like this...
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