T.S.F.: radiogoniometri, der gør det muligt at bestemme placeringen af en elektromagnetisk bølgesender. Anonym illustration fra 1925. Privat samling.(The T.S.F.: radiogoniometry that allows to determine the location of an electromagnetic wave transmitter. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
€ 122.69
Enthält 25% MwSt.
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Udateret · Engraving
· Billed-ID: 918304
Private Collection / Bridgeman Images |
0 Anmeldelser |