Chappuis patent

Region: United Kingdom    Period: 1850–1890    Tag: Chappuis

Paul Émile Chappuis designed a folding stereoscope that folds into a book-like case with a double hinge. The lens panel and septum fold inward, and the picture frame slides in a groove to adjust the focus.

Related items: Chappuis, Paul Émile  Septum

Specifications:

Classification:
Hand-held / Single-view / Folding
Introduction:
1858
Designer:
Paul Émile Chappuis
Construction:
Wood, leather
System:
Open
Medium:
Paper
Format:
8.5 x 17
Lens:
Convex
Lens focus:
Yes
Inter-ocular adjustment:
No

Patents and registrations:

Number: 1866
Improvements in stereoscopes and stereoscopic apparatus
Filing: 16-08-1858, Applicant(s): Paul Émile Chappuis

Further reading:

  • Wing, Paul. Stereoscopes: The first one hundred years (1996) , p. 32
Published: 02-05-2026