Telebinocular Keystone, metal stereoscope that folds and fits into a trompe l'oeil book-like case.
In 1898, Keystone began manufacturing and selling stereoscopes.
The company grew rapidly and by 1905, the year the Keystone View Company was incorporated, it was the largest company of its kind in the world.
Keystone View Co. Stereoscope
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Telebinocular Keystone, metal stereoscope that folds and fits into a trompe l'oeil book-like case.
In 1898, Keystone began manufacturing and selling stereoscopes.
The company grew rapidly and by 1905, the year the Keystone View Company was incorporated, it was the largest company of its kind in the world.
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