Universal projector (for 35mm films, "Laterna Magica" multiple slides (4 cm) and standard slides 5x5 cm).
Manufacturer: Bing-Werke Nürnberg about 1920.
Hand driven.
Lighting system: household lamp E27, mirror, condensor lens.
More about "Laterna Magica" and Bing:
www.luikerwaal.com
