Beck, A. H. W. 1916-
Velocity-modulated thermionic tubes ... - Cambridge [Eng.] University Press, 1948. - x, 180 p. : diagrs. ; 22 cm. - Modern radio technique .
Bibliography: p. [177]
48010468
Vacuum-tubes.
TK7872.V3 / B4 1948
Velocity-modulated thermionic tubes ... - Cambridge [Eng.] University Press, 1948. - x, 180 p. : diagrs. ; 22 cm. - Modern radio technique .
Bibliography: p. [177]
48010468
Vacuum-tubes.
TK7872.V3 / B4 1948