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