Alternascope
Region: France Period: 1890–1930 Tag: Mattey Stereoscope type: Tabletop » Multi-view
© Virtual Stereoscopic Museum
The Alternascope is an open system variant of the Educa stereoscope, and was designed for educational use. The instrument was produced exclusively by Mattey on behalf of the Educa company.
Related items:Educa (company) Educa (stereoscope) Mattey
Specifications:
Introduction:
1926
Designer:
Albert Mattey, Louis-Jean Lavelle
Maker:
Mattey
Construction:
Wood
Medium:
Glass
Format:
13 x 19
Number of slides:
One plate with 12 stereoviews
Bidirectional navigation:
Yes
Lens:
Convex
Lens focus:
Yes
Inter-ocular adjustment:
No
Further reading:
- Wing, Paul. Stereoscopes: The first one hundred years (1996) , p. 204
© Virtual Stereoscopic Museum
Published: 28-02-2026 Last modified: 06-04-2026