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