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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...
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French Surveying Graphometer, c. 1820...
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2 Military Prism Sighting Compasses, c. 1900...
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2 Surveying Instruments...
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2 German Plane Table Alidades...
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Universal Surveying Instrument, c. 1900...
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Tachymeter Theodolite by "Salleron", c. 1860...
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3 Surveyor's Crosses...
