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18th Century Drafting Set
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Boxed Compass: 19th Century
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Compasses
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Drafting instruments: 20th century
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Drafting instruments: mid 19th century
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French Boxed Scale & Weights
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Globe-Clock: 1953
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Scales
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Scientific Instruments
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Surveying instruments: Troughton & Simms, H. M. Pool, and Dietzgen
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Telescope with Leather Grip
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Telescopes
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Troughton (London) Pantograph