Toy '' Young signalman ''.
Everything else not included in the sectionsInterphone devicesThe toy "Young signalman" has been produced by the First Moscow Experimental Plant "Promsvyaz" since the 1st quarter of 1991. The "Young Signaler" toy is intended for learning the Morse code using one of the two devices, as well as for two-way telegraph communication using two devices and a two-wire line. The length of the two-wire line is 15 meters. Each device is powered by a 3336 4.5 volt battery. Tone of reception and transmission of 1000 Hz. The electrical circuit of the toy allows you to organize the work of a telegraph in a network of several devices.
