A pair of strabismus diagnostic and exercise cards in black and white. The card to the left, 44, has the image of 2 men playing maracas, with a bird flying very close over the man with a tall hat on the left; the card to the right, 44a, has the image of 2 men playing maracas with two birds flying in the distance close to the two top corners. Stereoskopische Bilder für schielende Kinder.
This item may be under copyright protection. Please ask copyright owner for permission before publishing.
Hidden treasure and Is part of: Stereoskopische Bilder für schielende Kinder.; See related catalog record: 52331180R