Manuscripts
5.2. Distribution Records
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5.4. Transmission Records
Manuscripts
This subseries contains records documenting Southern California Edison's transmission of electricity, and includes diagrams, proposals, reports, and schedules. Files are arranged alphabetically by title, and chronologically thereafter.
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5.3. Substations
Manuscripts
This subseries contains records documenting Southern California Edison's distribution of electricity and includes employee examinations, log books, manuals, and other materials. Files are arranged alphabetically by title, and chronologically thereafter.
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Series 5. Generation, Distribution, and Transmission Records
Manuscripts
This series contains records documenting Southern California Edison's generation, distribution, and transmission of electricity. The largest subseries, Generation (Power Plant) Records, consists primarily of log books kept by various facilities.
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5.1. Generation (Power Plants) Records
Manuscripts
This subseries contains records documenting Southern California Edison's generation of electricity and includes abstracts, histories, job/work orders, lists, log books, pamphlets, reports, statistical information, and other materials. The log books comprise the bulk of the subseries and range in date from 1899 to 1972. These materials document the creation, operation, and routine maintenance of various generation facilities including Fontana Station, Lytle Creek, Mill Creek, Ontario Power Station, the Santa Ana River Plants, and the Sierra Hydro Plant. Meter readings for some facilities are also included. Files are arranged alphabetically by title, and chronologically thereafter.
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Series 12. Topical Records
Manuscripts
This series contains Southern California Edison's topical records and includes articles, biographies, charts, clippings, correspondence, maps, pamphlets, photographs, press releases, procedures, reports, and other materials. Topics include accidents and disasters, hydroelectric development, and SCE employees and history. This series also contains biographical information and memorabilia related to Thomas A. Edison. Black and white photographic prints document various events, people, and projects related to SCE. Files are arranged alphabetically by title, and chronologically thereafter.
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2.2. Communication Division
Manuscripts
This subseries contains records documenting Southern California Edison's Communication Division and includes bulletins, correspondence, log sheets, manuals, minutes, photographs, reports, and other materials. Dispatcher Wartime Bulletins Files include bulletins, clippings, correspondence, diagrams, memoranda, notes, and reports pertaining to war-time air raid alarms, barrage balloons, blackouts, power interruptions, and other matters. Black and white photographic prints and negatives include images of Edison's radio communications system, the division's facilities and equipment, Breckenridge Mountain, Government Peak, and other sites. Files are arranged alphabetically by title, and chronologically thereafter.
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