RCA Review – Electron Tubes Volume II 1942-1948 Hardcover 1949

70 YEARS OF RADIO TUBES AND VALVES: A GUIDE FOR ELECTRONIC By John W. Stokes VG+

Tubes Electricians Handbook Practical Book Lot Technicals Radio Engineers

Vacuum Tube Circuits By Lawrence Baker Arguimbau Hardcover Book 1948

1942 Audels Electronic Devices & Application WWII Era Vacuum Tubes Photoelectric

MIT Radiation Laboratory Series, Vacuum Tube Amplifiers, Vol 18, 1948

Handbook of Vacuum Tubes and Techniques in Military Electronics

1941 Herbert J Reich PRINCIPLES OF ELECTRON TUBES

Radio Telephony Amateurs Book Stuart Ballantine 1923 Illustrated Audion Tubes