Planox
In 1921, the Plocq firm began producing stereoscopes under its own Planox brand. Entering a market already dominated by established manufacturers such as Richard, Gaumont, and Mattey, the company was a relatively late participant in the stereoscopic industry. Nevertheless, Plocq succeeded in securing a share of the market through a series of innovative designs.
PDF version: 1.1 / Date: 18-06-2026
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