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Experimental Traveling-Wave Tube 1789, c. 196...
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Lycoming Aviation Engine, 1954-78...
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Drawings and Posters on the Subject of Aviati...
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Reconstruction of a 'Pumpkin' Test Bomb...
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Car Chassis Demonstration Model by Welch, c. ...
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Motsinger's Auto Sparker, c. 1905...
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Driving School Model "VVR 148", c. 1955...
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VDO Mercedes 170/220 Classic Car Clock, c. 19...
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7 Driving School Educational Boards...
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2 Technical Automobile Demonstration Models b...
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Differential Demonstration Model, c. 1920...
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Early Replica of the Voigtländer Metal Daguer...
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Brass Telescope by Parkinson & Frodsham, c. 1...
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French Brass Microscope by Vérick, c. 1880...
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Leitz Microscope with Accessories in Case, 18...
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3 Microscopes...
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English Surveying Level Instrument by Stanley...
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French Brass Surveying Level by Brosset, c. 1...
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Small Theodolite by "F.W. Breithaupt & Sohn",...
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Compass Theodolite by Neuhöfer & Sohn, c. 190...
