• Compasses
  •
    Drafting instruments: 20th century
  •
    Drafting instruments: mid 19th century
  •
    French Boxed Scale & Weights
  •
    Scientific Instruments
  •
    Surveying instruments: Troughton & Simms, H. M. Pool, and Dietzgen
  •
    Telescope with Leather Grip
  •
    Troughton (London) Pantograph
  •
    Wood Barrel Telescope