Cámara de cajón binocular
Rollei- Werke Franke & Heidecke
1933-1936
Bibliografía:
McKEOWN, James y Joan: "McKeown´s price guide to antique and classic cameras"-12th Edition 2005-2006, ed. Centennial Photo Service, Grantsburg, EEUU, 2004; pág. 853
EVANS, Arthur G: "Collectors guide to Rollei Cameras", ed. Centennial Photo Service, Gratsburg, EEUU, 1986; pág 59
https://www.photomuseum.es/index.php/eu/component/k2/item/214-rollei-rolleicord-1,-6x-6#sigProId61c24fc6bb