Visor estereoscópico
Desconocido
View the embedded image gallery online at:
https://www.photomuseum.es/index.php/en/component/k2/item/626-visor-estereoscopico#sigProIdfd458287a0
https://www.photomuseum.es/index.php/en/component/k2/item/626-visor-estereoscopico#sigProIdfd458287a0