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Title: Pocket altazimuth compass-clinometer, British, 1871-1893 [Go to resource]
Description: Pocket altazimuth compass-clinometer with improvements by Sir Francis Galton, made by L. Casella, Holborn, London, England, 1871-1893 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: magnetic compass
variation compass
clinometersTemporal: 1871-1893 Source: Science Museum Creator: Galton, Sir Francis Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...-
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