loudspeaker, P.T.D.G.D., diameter 25.5 cm, Latvia, 1928-1932, h 47 cm, with the establishment of the Post and Telegraph Department (PTD) in the Ministry of Communications in the fall of 1928, the workshops became known as PTDGD, since 1929 they have been renamed to the State Electrotechnical Factory "Pērkons". In 1932, the name "VEF" (Latvian: Valsts Elektrotehniskā Fabrika) was adopted - the State Electrotechnical Factory
| article: | loudspeaker |
|---|---|
| title: | P.T.D.G.D. |
| description: | diameter 25.5 cm |
| country: | Latvia |
| year: | 1928-1932 |
| dimensions: | h 47 |
| additional information: | with the establishment of the Post and Telegraph Department (PTD) in the Ministry of Communications in the fall of 1928, the workshops became known as PTDGD, since 1929 they have been renamed to the State Electrotechnical Factory "Pērkons". In 1932, the name "VEF" (Latvian: Valsts Elektrotehniskā Fabrika) was adopted - the State Electrotechnical Factory |
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