Sands patent

Region: United Kingdom    Period: 1850–1890   

Charles Sands’ patent describes a design in which the angle of the hinged lid with the reflector for illuminating paper stereoviews can be precisely adjusted. The lid is raised and lowered by knobs on both sides of the viewer.

Related items: Hinged lid

Further reading:

  • Wing, Paul. Stereoscopes: The first one hundred years (1996) , p. 11
Published: 02-05-2026