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Nautical Quadrant by G.W. Klein, c. 1880...
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"Pelikan" R359 Radio Direction Finder, 1950 o...
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Ramsden's Electrical Machine, c. 1850...
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Bright High-Wattage Light Bulbs, c. 1925...
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3 Electro-Physical Demonstration Models, c. 1...
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Electrical Machine and Battery, c. 1900...
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Current-Generating Dynamo with Glow Lamp, c. ...
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Tesla Coil Demonstration Model, c. 1915...
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Group of Precision Measuring Instruments...
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Tektronix Type 535 Cathode-Ray Oscilloscope, ...
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Voltaic Pile after Alessandro Volta...
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High-Voltage Apparatus after Tesla, c. 1980...
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Electro-Magnetic Motor with Rotating Geissler...
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Large Ruhmkorff Induction Coil, c. 1900...
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Induction Coil after Ruhmkorff, c. 1910...
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8 Early Electric Motors, c. 1915...
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5 Early Electric Motors, c. 1900...
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Electro-Magnetic Motor, c. 1915...
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Electro-Magnetic Motor and Geissler Tube, c. ...
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Electro-Magnetic Motor with Rotating Geissler...
