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Pair of Celestial and Terrestrial Globes and ...
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Scientific Devices and Measuring Instruments...
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12 Precision Measuring Instruments, c. 1870–1...
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Nicholas Lane's Pocket 3-InchTerrestrial and ...
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Rare Galvanometer by Jul. Otto Zwarg, c. 1890...
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Box Galvanometer with Pointer Reading, c. 189...
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Large Islamic Astrolabe, Late 19th Century...
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Bett's 16-Inch Collapsible Terrestrial Globe,...
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Column Sundial by Henry Robert, c. 1850...
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Early Chinese Geomantic Compass, Late 18th Ce...
