4 treff

Propagation of electric waves over the earth
by H.W. Nichols and J.C. Schelleng
Bok Engelsk 1925
Radio extension of the telephone system to ships at sea
by H.W. Nichols and Lloyd Espenschied
Bok Engelsk 1923
Transoceanic wireless telephony
Nichols, H.W.
Bok Engelsk 1923
Trans-oceanic wireless telephony
Nichols, H.W.
Bok Engelsk 1923