Stereoscope ‘Stereoscop Heidoplast’

Hei­do­plast was a trade­mark for stere­o­scopes of Franke & Hei­decke. The stere­o­scope was intend­ed for the Hei­do­scop stereo cam­era of the com­pa­ny. The Hei­do­plast stere­o­scope was a rebrand­ed French Planox stereoscope.

(from: Com­pendi­um of Stereoscopes)