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Title: d'Arsonval electric chronometer, Paris, France, 1902 [Go to resource]
Description: d'Arsonval electric chronometer, for measuring reflex reaction time, by Charles Verdin, Paris, 1902 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: chronograph - timer Temporal: 1902 Source: Science Museum Creator: Verdin, Charles Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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