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Group of Electrostatic Demonstration Models, ...
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Melloni's Thermo Apparatus, c. 1900...
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Ampère Table, c. 1910...
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Double-Barrel Vacuum Pump with Syphon Fountai...
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2 Sparking Pillars by Max Kohl, c. 1910...
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Single-Barrel Vacuum Pump with Glass Sphere, ...
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6 Physical Demonstration Models, c. 1910...
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"Magazin aller neuen Erfindungen, Entdeckunge...
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4 Physical Demonstration Tubes, c. 1910...
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Table for Electrical Experiments, c. 1870...
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Group of Physical Demonstration Tubes, c. 191...
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Crookes Tubes with Rose Bouquet, c. 1915...
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6 Electrostatic Experimental Models, c. 1910...
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Carbon-Zinc-Battery by Gustave Trouvé, c. 189...
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"Gasopyrion" – Döbereiner's Hydrogen Lighter ...
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Large Geissler Tube, c. 1900...
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Large Physical Experimental Model, c. 1910...
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4 Galvanic Cells, c. 1910...
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Large Voltaic Pillar, c. 1870...
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Galvanometer by Leybold, c. 1910...
