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8 Sets of Architect’s Drafting Instruments...
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Measuring and Drawing Instruments...
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3 English Architectural Sets of Drafting Inst...
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Early German Dividing Caliper, 16th Century...
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French Sector by Mantenand, c. 1750...
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Miniature Dividing Calliper, Early 17th Centu...
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English Sector by Dollond, c. 1770...
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4 Geometric Drawing Instrumente, c. 1800...
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Beam Compass by G.F. Brander, c. 1770...
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Rare Reduction Compass, 17th-18th Century...
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Rare Reducing Compass, c. 1770...
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On the History of Optics and Glasses...
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Collection of Optical Instruments, c. 1880-19...
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Large Collection of Microscopic Preparations,...
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Italian Refracting Vellum Telescope, c. 1770...
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Rare Nuremberg Reading Magnifier, c. 1750...