Manuscripts
Southern California Edison Company
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Centinela Improvement Company
Manuscripts
Stockholder information, financial balance sheets, and other company correspondence.
mssSinclairhh
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From the Board of Directors of Southern California Edison Company, a message of appreciation and condolence at the time of Sinclair's passing
Manuscripts
The Henry H. Sinclair papers number more than 1,600 items, including diaries, journals, newspaper clippings, and extensive personal and business correspondence. The complete date range is 1802-1937 (bulk dates 1909-1914). Subject matter includes mostly business matters of the Great Western Power Company, Palmer Oil Company, Mt. Hood Railway and Power Company, etc.; diaries and notebooks concerning power plant inspection trips, mostly to the Kern River in California; the Pasadena Tournament of Roses Association; the California to Honolulu yacht races. The collection also includes the papers of his son, Arthur W. Sinclair, pertaining to California Delta Farms, Inc. The collection also contains a diploma from Sinclair's membership in the American Institute of Electric Engineers and a manuscript, by Englishman Thomas Cowper, of calculations regarding a solar eclipse on June 24, 1778.
mssSinclairhh
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Edison Securities
Manuscripts
Includes financial statements and business card of James R. Martin.
mssSinclairhh
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Fontana (Union) Water Company
Manuscripts
Includes financial records, balance sheets, and letters.
mssSinclairhh
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Whittier Extension Company
Manuscripts
Financial statements and estimates.
mssSinclairhh
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Midway Royal Petroleum Company
Manuscripts
Various pieces of financial and legal correspondence.
mssSinclairhh