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Title: Dipleidoscope with mechanical clock dial, British 1870-1890 [Go to resource]
Description: Dent's dipleidoscope on triangular stand, with mechanical clock dial (clock glass missing), by E. Dent & Co., London, England, 1870-1890. Used for the determination of midday to check the accuracy of mechanical timepieces License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: dipleidoscope Temporal: 1870-1890 Source: Science Museum Creator: E. Dent & Co. Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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