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2 Demonstration Carbon-Rod Microphones, c. 19...
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2 Large Demonstration Measuring Instruments, ...
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2 German Wood Diptych Sundials, 18/19th Centu...
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Slate Sundial, 19th Century...
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2 Nuremberg Pantochronometers, early 19th Cen...
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Cube Sundial with Compass by David Beringer, ...
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Persian Compass with Gnomon, c. late 19th Cen...
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Tellurium and Lunarium by Ernst Schotte, Berl...
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German 3-Inch Diameter Terrestrial Pocket Glo...
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Smith & Son 2 1/2-Inch Diameter Terrestrial P...
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Length Measure 1 Hanover Foot, c. 1850...
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Terrestrial and Celestial Globe as Bookends, ...
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2 Small Terrestrial Globes...
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Rath's Historical Celestial Globe, c. 1965...
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Lot of Scales and Weights...
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Miehe Sliding Microtome, c. 1925...
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Swedish Aneroid Barograph, c. 1900...
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2 Cased Sets of Technical Drawing Tools...
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2 Early Drawing Instruments, c. 1850...
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Physical Demonstration Apparatuses, c. 1900...
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Mineralogical Lever Balance in Original Box, ...
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Large Vacuum Pump with Two Vertical Glass Bar...
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Geometric Forms for Physics and Maths Lessons...
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Electrical and Electrostatic Demonstration Ap...
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Polarisation Apparatus According to Nörrember...
