Morse telegraph receiver and morse telegraph key. USSR 1950-60 "Losinoostrovsky Electrotechnical Plant named after. F.E.Dzerzhinsky" Type-3 The device allows you to transmit encoded telegraph information with its recording on paper tape and subsequent decryption. The transmitter key is a manual breaker of the electrical circuit connecting the battery, transmitter and receiver. The receiver is equipped with a tape drive mechanism to advance the tape through the writing device. Under the influence of current pulses from the transmitter, the receiver's electromagnet is activated, which activates the mechanism that presses the ink wheel to the moving belt. In this case, dashes and dots are imprinted on the tape in accordance with Morse code. Transmission speed - 400 characters/min. Size in photo Weight in the box – 8 kg. The device is in good condition, but the holder and tape reel are missing (as in the last photo)