70 years of radio tubes and valves
Subtitle: a guide for electronic engineers, historians, and collectors
By: by John W. Stokes.
Publisher: Vestal Press
Published: 1982
Place of publication: Vestal, N.Y
Language: eng
Number of pages: 247
Subjects: Vacuum-tubes -- History.
Other titles: Seventy years of radio tubes and valves.
Notes: Includes bibliographical references and index.