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2 Surveying Instruments...
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Large French Graphometer by Lennel, 1777...
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6 Surveying Instruments...
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Group of Measuring and Surveying Instruments...
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Early Chinese Geomantic Compass, Late 18th Ce...
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Column Sundial by Henry Robert, c. 1850...
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Bett's 16-Inch Collapsible Terrestrial Globe,...
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Large Islamic Astrolabe, Late 19th Century...
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Box Galvanometer with Pointer Reading, c. 189...
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Rare Galvanometer by Jul. Otto Zwarg, c. 1890...
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Nicholas Lane's Pocket 3-InchTerrestrial and ...
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12 Precision Measuring Instruments, c. 1870–1...
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Scientific Devices and Measuring Instruments...
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Pair of Celestial and Terrestrial Globes and ...
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Large Telescope for Observing of Telegraph St...
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Collection of Microscopes and Telescopes...
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Large Refracting Telescope, 1902...
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Large English Binocular Microscope, c. 1860...
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3 German Binoculars...
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Swift Paragon Brass Binocular Microscope, c. ...
