transmitter
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The 300 W short wave transmitter Pasila III in the workshop of Fabianinkatu radio house, ca. 1940.
by Archives of the Finnish Broadcasting Company Yle
by Archives of the Finnish Broadcasting Company Yle
No known copyright restrictions(著作権制限なし)

P-12-50 air surveillance transmitters in Yleisradio's workshop's laboratory, ca. 1940.
by Archives of the Finnish Broadcasting Company Yle
by Archives of the Finnish Broadcasting Company Yle
No known copyright restrictions(著作権制限なし)

Mechanic Kauko Mustakallio manufacturing a frequence modulated 1kW transmitter, its electronic power converter and output stage in Yleisradio's workshop, 1946.
by Archives of the Finnish Broadcasting Company Yle
by Archives of the Finnish Broadcasting Company Yle
No known copyright restrictions(著作権制限なし)

Manufacturing of the mounting plates of P-12-50 air surveillance transmitters in Yleisradio's workshop in September 1940.
by Archives of the Finnish Broadcasting Company Yle
by Archives of the Finnish Broadcasting Company Yle
No known copyright restrictions(著作権制限なし)
721件~780件 (全 9,222件)