Historical information
http://www.meoptahistory.com/?id=162
Physical description
Grey metal filmstrip projector consisting of four parts: projector, filmstrip lens, slide lens and cover
Inscriptions & markings
All marked "OPTIKOTECHNA"
http://www.meoptahistory.com/?id=162
Grey metal filmstrip projector consisting of four parts: projector, filmstrip lens, slide lens and cover
All marked "OPTIKOTECHNA"