Before revision: Tesla Máj 623A, Short-long-medium wave tube receiver from Czechoslovakia, c. 1956 /57 Shortwave broadcasts of radio programs played an important role in the early days of radio history.
After revision: Tesla Máj 623A, Short-long-medium wave tube receiver from Czechoslovakia, /57 Shortwave broadcasts of radio programs played an important role in the early days of radio history.