Rare Books
Silent sentinels : protective relays
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Recent developments in automatic network protectors and relays
Rare Books
"This circular consists of revised reprints of articles from the December, 1927 issue of the Electrical Journal previously distributed as Reprint 314 and a list of distinctive features of the CM-2 protector. These articles are as follows: The Network Protector [by] G. G. Grissinger ... The CM-2 Network Protector, Distinctive Features; The Network Relay [by] J. S. Parsons ...": p. [2].
752655
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Edison Library Books, Transmission and Overhead Lines, Silent Sentinels, Westinghouse Protective Relays
Manuscripts
The Southern California Edison Records consist of materials created, maintained, and collected by the company. The Southern California Edison Records contain books, catalogs, correspondence, journals, ledgers, log books, meeting minutes, newsletters, newspaper clippings, pamphlets, photographs, press releases, reports, scrapbooks, and other materials documenting the history of the Southern California Edison (SCE) Company. The records cover the years 1848 to 1989 with the bulk of the material ranging from 1911 to 1965. The material is largely textual with the exception of a few non-paper items scattered throughout.
mssSCE
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Edison Library Books, Transmission and Overhead Lines, Silent Sentinels, Westinghouse Protective Relays
Manuscripts
The Southern California Edison Records consist of materials created, maintained, and collected by the company. The Southern California Edison Records contain books, catalogs, correspondence, journals, ledgers, log books, meeting minutes, newsletters, newspaper clippings, pamphlets, photographs, press releases, reports, scrapbooks, and other materials documenting the history of the Southern California Edison (SCE) Company. The records cover the years 1848 to 1989 with the bulk of the material ranging from 1911 to 1965. The material is largely textual with the exception of a few non-paper items scattered throughout.
mssSCE