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Radiol network lamp "Angara" in 1955 was developed by the Riga State Electrotechnical Plant WEF.
By the beginning of 1956, the WEF factory had developed a number of receivers and radio systems for finger lamps of various designs and parameters.
Part of the blocks and chassis of the devices were unified.
All devices had a key switch, a rotatable internal magnetic antenna and an internal dipole, if the VHF range is provided.
Class III receivers and radiol have 2 speakers, class II and higher - four.
The names of the new devices are represented by precious stones: Diamond, Amethyst, Aquamarine, Crystal, Ruby, Sapphire, Topaz, Amber.
There was a river series: Cupid, Angara, Terek, Dvina and a musical series: Concert, Melody, Symphony and others.
Some samples were transferred for production to other plants of the USSR, some were manufactured by an experimental batch.
In the newspaper Vefietis factory (VEFovets) at the end of 1955 it was reported that the assignment of the USSR Ministry of Radio Engineering to develop 15 models of radio equipment and to manufacture their prototypes by VEF designers and manufacturers was completed.
The developed devices were demonstrated at the World Exhibition in Brussels in 1958 and were awarded prizes.
Many developments were shown at an exhibition in New York in 1959.
The third-class radiola Angara was a prototype made in a single copy.