Optical cabinet or compendium in wooden mahogany c

1765-1775 in London
Benjamin Martin

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Optical cabinet or compendium in wooden mahogany case by Benjamin Martin, London, England, c. 1770. Contains 3-draw tube telescope with green shagreen case, drum microscope (fitted with spare mirror) and scioptic ball with microscope attachment. Accessories include 3 object glasses, 1 lieberkuhn, 3 glass test tubes, 1 glass tube, 3 ivory slides and 1 ivory box, containing 2 glass discs.


Object Number:
bone, brass (copper, zinc alloy), cardboard, copper (alloy), fish skin, glass, iron, ivory, leather, mahogany (wood), metal (unknown), mica and textile
scioptic ball: 105 mm x 105 mm x 70 mm, ,
overall case: 80 mm x 325 mm x 145 mm, ,
telescope closed: 215 mm x x , 38 mm,
assembled scioptic ball (microscope): 160 mm x x , 40 mm,
drum microscope: 195 mm x x , 40 mm,
overall weight: x x , , 1.57kg
telescope - refracting
  • furnishing and equipment
  • tools & equipment
  • projection equipment
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • telescope
Court, Thomas Henry

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