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AC Electric Motor by Siemens-Schuckert, c. 19...
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2 Electric Motor Demonstration Models by Leyb...
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Revolving Bell Engine by Daniel Davis, c. 184...
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Collection of Electric Motors and Dynamos...
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French Experimental "Electricity" Kit, c. 190...
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Doignon Bipolar Fan Motor, c. 1895...
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2 Recording Instruments, c. 1920...
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Battery Set of 6 Leyden Jars and 3 Chromic Ac...
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Magnetic Field Balance by Askania, c. 1950...
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3 Scientific Instruments, c. 1930...
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2 Circle Reflection Goniometer, c. 1960...
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Brass Heliostat by R. Fuess, Berlin, c. 1850...
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2 Refractometers...
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Carl Zeiss Light-Section Microscope, c. 1960...
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2 Laboratory Microscopes, c. 1965...
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Leitz Orthoplan Binocular Microscope, c. 1980...
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Polarising Microscope ROW Paladun IV, c. 1960...
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Ernst Leitz Brass Microscope, 1888...
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Very Large Russian Precision Theodolite, 1983...
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Wild T4 Astronomical Theodolite, c. 1961...
