TY  - BOOK
AU  - Stokes,John W.
TI  - 70 years of radio tubes and valves: a guide for electronic engineers, historians, and collectors 
SN  - 0911572279 :
AV  - TK 6565 .V3S68 1982 
PY  - 1982///
CY  - Vestal, N.Y.
PB  - Vestal Press
KW  - Vacuum-tubes
KW  - History
N1  - Includes bibliographical references and index
ER  -