The "speedomax" power-level recorder ...
By: [by] William Russell Clark ...
Published: 1940
Place of publication: Philadelphia
Language: eng
Subjects: Electric apparatus and appliances; Electric measurements
Other titles: Power-level recorder.
Notes: "Paper 40-39 recommended by the AIEE Committee on instruments and measurements, and presented at the AIEE winter convention, New York, N.Y., January 22-26, 1940."

"Preprint from Transactions of the American institute of electrical engineers [v. 59] 1940."

Thesis (SC. D.)--University of Pennsylvania, 1938.

Bibliography: p. [8]