Visor estereoscópico
Desconocido
View the embedded image gallery online at:
https://photomuseum.es/index.php/fr/component/k2/item/768-visor-estereoscopico-plegable#sigProId76ba1f5ca5
https://photomuseum.es/index.php/fr/component/k2/item/768-visor-estereoscopico-plegable#sigProId76ba1f5ca5