A set of radio components and assemblies of the Elektrodelo plant.

Radio and electrical constructors, sets.Multifunctional devicesSince 1966, a set of radio components and assemblies has been produced by the Leningrad plant "Elektrodelo". The set is intended for classrooms of physics in schools and other educational institutions. Using the kit, you can assemble working radio and electrical devices. Apparently there was some kind of instruction or manual for this set, which contains diagrams, descriptions and principles of operation of the devices.