- Detta ämne har 1 svar, 2 deltagare, och uppdaterades senast för 10 månader, 2 veckor sedan av .
-
Ämne
-
The very interesting book “Technical Description Of The Alexanderson System For Radio Telegraph And Radio Telephone Transmission”, which was written in 1920 by Elmer Eustice Bucher, may be freely downloaded from here: https://archive.org/details/TheAlexandersonSystem
Whit
—
Whitham D. Reeve
Anchorage, Alaska USA
—
Visar 0 svarstrådar
Visar 0 svarstrådar