Visor estereoscópico
Desconocido
View the embedded image gallery online at:
https://www.photomuseum.es/index.php/eu/component/k2/item/629-stereo-viewer-model-ssv-1#sigProId5360e551a0
https://www.photomuseum.es/index.php/eu/component/k2/item/629-stereo-viewer-model-ssv-1#sigProId5360e551a0