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Title: Pocket sympiesometer, 1839 [Go to resource]
Description: Pocket sympiesometer, invented by John George Harris Ronketti, in leather covered wooden case, made by Carpenter & Westley, 24 Regent Street, London, 1839 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: sympiesometer Temporal: 1839 Source: Science Museum Creator: Ronketti, John George Harris Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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