Electrokonstruktor No. 3 "Children's collapsible telegraph and telephone".
Radio and electrical constructors, sets.Multifunctional devicesElectric designer No. 3 "Children's collapsible telegraph and telephone" has been produced since 1955 by the Moscow plant "Fizelektropribor". The electroconstructor is intended for the assembly of telegraph and telephone sets, by means of which it is possible to establish two-way communication at a distance of up to 100 meters. The electrical constructor has been produced by the plant for over 15 years.
