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Tangent-Galvanometer, c. 1880...
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2 Physical Demonstration Apparatus by Max Koh...
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Large Geissler Tube, c. 1900...
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4 Physical Demonstration Instruments, c. 1915...
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French Graphometer, c. 1800...
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Extra-Large Motor with Geissler Tube, c. 1880...
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Sohlberg 10-Inch Glass Celestial Globe, 1888...
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3 Sales Catalogs of Technical and Scientific ...
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Group of Scientific Books and Sales Catalogs,...
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Astronomical and other Reference Books, from ...
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Group of Sale Catalogs of Physical Instrument...
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Puluj's Valve with Electrical Radiometer, c. ...
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Wimshurst Machine and Experiment Box, c. 1910...
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Battery Set of 6 Leyden Jars in Box, c. 1870...
