Stéréoscope pliant Rosengard
Region: France Period: 1890–1930 Stereoscope type: Hand-held » Single-view » Folding
© Virtual Stereoscopic Museum
The only information known about this stereoscope comes from the designer Émile Rosengard’s patent registration. Some examples bear the initials E. R. The Stéréoscope pliant Rosengard is a fully foldable viewer with ocular adjustment and a septum.
Related items: SeptumSpecifications:
Introduction:
1904
Designer:
Émile Rosengard
Construction:
Wood, metal
Medium:
Paper
Format:
8.5 x 17
Lens:
Convex
Lens focus:
Yes
Inter-ocular adjustment:
Yes
Patents and registrations:
Number: 340444
Stéréoscope pliant à écartement d'oculaires et mise au point variables
Filing: 15-02-1904, Publication: 06-07-1904, Applicant(s): Émile Rosengard. via: data.inpi.fr
Published: 17-04-2026