• 19th Century Collapsible Microscope
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    Benjamin Pike & Sons Surveyor’s Compass
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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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    Drafting set: 18th-early 19th century
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    French Boxed Scale & Weights
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    Magnetic Time Keeper & Compass
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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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    Troughton (London) Pantograph
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    Wood Barrel Telescope