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Electromagnetic Motor, c. 1890...
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Electromagnetic Rotating Motor, c. 1860...
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Group of Electric Measuring Instruments...
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Early AEG Electric Motor, c. 1890...
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Leybold DC Electric Motor...
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Elster & Geitel System High-Tension Transform...
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Gramme System Machine, c. 1880...
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2 Driving School Demonstration Models...
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6 Bicycle Lamps, 1900 onwards...
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2 English Theodolites, 1900–1920...
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Pocket Level Theodolite by Georg Butenschön, ...
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Large German Telescope Compass and further Su...
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Group of Measuring and Surveying Instruments...
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Early Helicopter Photo Archive, c. 1922 onwar...
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Signed Color Image: "Apollo 12, the Second Ma...
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Early Aircraft Passenger Seat, c. 1925...
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Soviet Liquid-Propellant Rocket Engine by Ale...
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Ship's Wheel, c. 1900...
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Sextant by C. Plath, Hamburg, c. 1930...
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English Octant by Gowlands, c. 1840...
