Early twin lens Television Camera
The caption card says "Television Transmitting Camera
of Electronic Television USSR 1938". It is or was on display at the Polytechnic Museum in Moscow. Website = polymus.ru
This camera, is of the twin lens pattern, probably one for the optical viewfinder and one for the camera tube which is likely to be of the Iconoscope type. There is also the possibility that the tube might be an Image Dissector type. (Farnsworth tube)
Photo credit - Steve9119