French camera SPY Prism - First model
Manufactured in 1897 by BLOCH, the Physiograph camera in its stereoscopic version, is a spy camera that simulates a prism to be able to take pictures observing in another direction, thanks to the ingenious system in the viewfinder that allows to take pictures without attracting attention. First model, sold by Watson.
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Fabricada en 1897 por BLOCH la camara Physiograph en su version estereoscopica, es una camara espia que simula unos prismaticos para poder hacer fotos observando en otra direccion, gracias al ingenioso sistema que lleva en el visor y que permite hacer tomas sin llamar la atencion. Primer modelo, vendido por Watson.
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ID 30840
https://foticoscollection.com/es/item...