Editing Vacuum tube (section)

==Further reading==
* Eastman, Austin V., ''Fundamentals of Vacuum Tubes'', McGraw-Hill, 1949
* Millman, J. & Seely, S. ''Electronics'', 2nd ed. McGraw-Hill, 1951.
* Philips Technical Library. Books published in the UK in the 1940s and 1950s by Cleaver Hume Press on design and application of vacuum tubes.
* RCA. ''[[Radiotron Designer's Handbook]]'', 1953 (4th Edition). Contains chapters on the design and application of receiving tubes.
* RCA. ''Receiving Tube Manual'', RC15, RC26 (1947, 1968) Issued every two years, contains details of the technical specs of the tubes that RCA sold.
* Shiers, George, "The First Electron Tube", Scientific American, March 1969, p.&nbsp;104.
* {{cite book |last=Spangenberg |first=Karl R. |title=Vacuum Tubes |url=https://archive.org/details/in.ernet.dli.2015.459077 |publisher=McGraw-Hill |date = 1948 |id={{LCC|TK7872.V3}} |oclc=567981 }}
* Stokes, John, ''70 Years of Radio Tubes and Valves'', Vestal Press, New York, 1982, pp.&nbsp;3–9.
* Thrower, Keith, ''History of the British Radio Valve to 1940'', MMA International, 1982, pp 9–13.
* Tyne, Gerald,  ''Saga of the Vacuum Tube'', Ziff Publishing, 1943, (reprint 1994 Prompt Publications), pp.&nbsp;30–83.
* ''[https://archive.org/details/BasicElectronicsVolumes151955 Basic Electronics: Volumes 1–5]''; Van Valkenburgh, Nooger & Neville Inc.; John F. Rider Publisher; 1955.
* Wireless World. ''Radio Designer's Handbook''. UK reprint of the above.
* [https://archive.org/details/RCA_1940_Vacuum_Tube_Design/RCA%201940%20Vacuum%20Tube%20Design/mode/2up "Vacuum Tube Design"]; 1940; RCA.