Le Conte Stevens patent

Region: United States    Period: 1850–1890   

W. Le Conte Stevens’ patent describes a variant of the Holmes-Bates viewer that functions as both a stereoscope and a pseudoscope. The viewer accommodates different stereoview formats, and the lens panel can be exchanged to allow either prisms or convex lenses to be fitted.

Related items:
Convex lens  Holmes-Bates stereoscope  Prismatic lens  Pseudoscope

Patents and registrations:

Number: 262846
Stereoscope
Filing: 15-08-1882, Applicant(s): W. Le Conte Stevens. via: worldwide.espacenet.com

Further reading:

  • Wing, Paul. Stereoscopes: The first one hundred years (1996) , pp. 103-104
Published: 09-08-2026    Last modified: 07-08-2026