A highly stable vacuum tube voltmeter for the measurement of A.C. and D.C. voltage
By: by George E. Pihl
Series: Northeastern University publications. Bulletin -- no. 2. April, 1940
Publisher: Northeastern University
Published: 1940
Place of publication: Boston, Mass
Language: eng
Number of pages: 15
Subjects: Voltmeters; Vacuum-tubes
Other titles: Vacuum tube voltmeter.