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4 English Drafting and Surveying Instruments,...
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2 Demonstration Vacuum Pumps...
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Large Induction Coil According to Ruhmkorff, ...
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Hydraulic Press, c. 1890...
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Demonstration Vacuum Pump, c. 1900...
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English Laboratory Induction Coil, c. 1900...
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Collection of Physical Demonstration Models a...
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Group of Physical Demonstration Models, c. 19...
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Laboratory Devices and a Medical Vibrator...
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Demonstration Vacuum Pump, c. 1830...
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Scales and Set of Weights...
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5 Geissler and Holtz Tube Demonstration Model...
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JBL Perfekt Pressure Vessel, c. 1900...
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Large Crooke's Fluorescent Tube...
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4 Electro-Magnetic Motors, c. 1910...
