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Two-Day Marine Chronometer by Glashütter Uhre...
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Steam Engine Dynamo Generator...
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2 Power Generators and a Dynamo...
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3 English Surveying and Navigation Instrument...
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Full-Circle Protractor by Gottfried Hohnbaum,...
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Hermann Ausfeld Repeating Theodolite, c. 1845...
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French Graphometer by Bernier, Paris, c. 1780...
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Large French Graphometer by Lennel, c. 1780...
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4 Leveling Instruments...
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Surveying and Measuring Instruments...
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Rare Nuremberg Reading Magnifier, c. 1750...
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Italian Refracting Vellum Telescope, c. 1770...
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Large Collection of Microscopic Preparations,...
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Collection of Optical Instruments, c. 1880-19...
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On the History of Optics and Glasses...
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Rare Reducing Compass, c. 1770...
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Rare Reduction Compass, 17th-18th Century...
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Beam Compass by G.F. Brander, c. 1770...
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4 Geometric Drawing Instrumente, c. 1800...
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English Sector by Dollond, c. 1770...
