Gamma diavetítő

Slide-projector produced in Budapest, Hungary by Gamma Finommechanikai és Optikai Művek Nemzeti Vállalat (Gamma Precision Mechanics and Optics National Works Company) in the 1950s. The device could show normal- and leica films, and framed slide pictures one by one. It has a bulit-in cord and a 4,5/10 cm objective.