Early Electronic Television
The following is a rough translation of information from the Moscow Polytechnic Institute:
This is from a Russian website (rough translation):
RCA provided about 75 of its RR-359 receivers to the USSR in the late 30s, along with broadcast equipment. The TK-1 shown above looks similar, but is shorter. The speaker area is about half the height of the RR-359. Since the CRT in the RR-359 extends to the bottom of the cabinet, it is unclear how the TK-1 would work, unless it used a different CRT.