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Vacuum tube voltmeters /

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Bibliographic Details
Main Author: Rider, John F. (John Francis), 1900-
Format: Book
Language:English
Published: New York : J.F. Rider, [1941]
Subjects:
Voltmeters.
Vacuum-tubes.
Description
Physical Description:xi, 179 pages : illustrations, diagrams ; 21 cm.
Bibliography:Bibliography: pages 171-176.