Telecommunications study kit

Function

Intended for experimental study, physics laboratory, natural sciences, carrying out physics experiments, natural sciences, on: Electromagnetism. A simple circuit with telegraph. The telegraph. Transmission, sending of the signal that carries the message. Reception of the signal. Recording the message. The simple electrical circuit and its components. A simple circuit with an electric bell. How the electric bell works. The simple electrical circuit and its components, wireless electronic communication through the use of intercoms, total reflection, optical fibers, etc. Note: Does not include D batteries.