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Large French Pantograph by Adrien Gavard, c. ...
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School Wall Chart "1st Railway in Germany", c...
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Clark: "Railway Machinery" Volume I and II, 1...
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2 Chromolithographs by Josef Danilowatz...
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10 Tin Figures "Inventions and Inventors"...
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"Chinese Government 5 % Reorganisation Gold L...
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Letters about von Kempelen's Mechanical Turk,...
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AEG Recording Ammeter, c. 1930...
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Large Induction Coil Based on Ruhmkorff's Des...
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Open-Constructed Alternating Current Motor, c...
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Large Motor with Geissler Tube, c. 1910...
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Phywe Experimental Kit Elektrik 1, c. 1970...
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Rare Gunner's Quadrant by "Lewert", c. 1860...
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3 Pocket Surveying Instruments...
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Lot of Measuring and Surveying Instruments, c...
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3 Surveying Instruments, c. 1900...
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Large Waywiser by Harris, London, c. 1780...
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3 Surveyor's Crosses...
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Plane Table Alidade by "Hildebrand", c. 1890...
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2 Early Austrian Surveying Instruments, c. 18...
