Manuscripts
Diary
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Diary
Manuscripts
Daily entries fairly complete Jan.-Aug., remaining months of the year left blank. Work notes and details of trips to survey various terrains.
mssSinclairhh
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Diary
Manuscripts
Entries for most days in January and early February. Most of remainder of year left blank except for some August entries. Primarily entries work and social notes.
mssSinclairhh
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Diaries
Manuscripts
Six matching monthly diary booklets June through December are included, only October is missing. June and Nov. have few entries, booklets for some other months nearly filled.
mssSinclairhh
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Diary
Manuscripts
Opening page notation - "Kern River trip..." Last half of booklet blank.
mssSinclairhh
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Notebooks, Diaries, and Ledgers
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