On the theory of tubes with two control grids their use as amplifier, modulators, and detectors,

Description

Thesis (Ph. D.)--Columbia University. / Vita. "The specific data here presented concerns the pentagrid heptode, whose type designation is 6L7 for the metal envelope and 6L7G for the glass envelope."--Introd. "List of numbered references": p. 44-45.

Links & Downloads

1. http://catalog.hathitrust.org/api/volumes/oclc/6516288.html

Tags

Vacuum-tubes.

Additional Fields

Identifer	oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/609857227
Date	January 1940
Creators	Wing, Alexander Holbrook,
Publisher	New York [Menasha, Wis., George Banta Pub. Co.]
Source Sets	OCLC
Language	English
Detected Language	English