"Chelsea" Clock Museum

Joseph H. Eastman, 1843-1931

Joseph H. Eastman Obituary

E. Howard     Harvard        Boston         Waltham         Eastman         "Chelsea"

"Chelsea" Clock Company Precision Regulators

Harvard Register

Eastman Register

Fairhaven MFG  & Vermont Clock Companies

Little & Eastman & Derry MFG Companies

U.S. Navy,  U.S.L.H.E.,  U.S.L.S.S.,  U.S. Coast Guard

"Chelsea" & the Decorative Arts         100 Years

"Chelsea" Advertisements     Catalog Sequence

"Chelsea" Catalog 1906      "Chelsea" Catalog 1911      "Chelsea" Catalog 1923

"Chelsea" Leaflet A 1926

Serial Numbers      Large  Dial "Chelsea" Clocks      Record Book One

Patent Documents

Vintage "Chelsea" Clocks For Sale

Links      Home      Contact

Chelsea Clock Company, The First Hundred Years  

"Chelsea" Clock Museum

Joseph H. Eastman, 1843-1931

Joseph H. Eastman Obituary

E. Howard     Harvard        Boston         Waltham         Eastman         "Chelsea"

"Chelsea" Clock Company Precision Regulators

Harvard Register

Eastman Register

Fairhaven MFG  & Vermont Clock Companies

Little & Eastman & Derry MFG Companies

U.S. Navy,  U.S.L.H.E.,  U.S.L.S.S.,  U.S. Coast Guard

"Chelsea" & the Decorative Arts         100 Years

"Chelsea" Advertisements     Catalog Sequence

"Chelsea" Catalog 1906      "Chelsea" Catalog 1911      "Chelsea" Catalog 1923

"Chelsea" Leaflet A 1926

Serial Numbers      Large  Dial "Chelsea" Clocks      Record Book One

Patent Documents

Vintage "Chelsea" Clocks For Sale

Links      Home      Contact

Chelsea Clock Company, The First Hundred Years  

Harvard Clock Company

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Joseph Henry Eastman, 1843-1931,  was a principle in the formation of the Harvard Clock Company circa 1880.  After serving his apprenticeship as a watchmaker, reputedly with  E. Howard & Co., Boston, Eastman's horilogical genius began with the Harvard Clock Company and a patent for clocks dated December 28, 1880.  This date is marked on most all Harvard and Boston Clock Company products.  Harvard clocks are of unsurpassed quality.    Harvard Clock Company produced clocks of marine, carriage, banjo, and shelf types from 1880-1884.   Known Harvard clock serial numbers range from 13 to 1186, indicating initially approximately 1200 clocks were manufactured.  Extensive study of known serial numbers shows sampling in all 100 number ranges with the exception of no data points in the range 600-999.  With the significant number of presently known clocks, it is fair to say with certainty, that 800 clocks is the most likely number produced.   All known Harvard clocks are time only, however, "repeating" clocks are mentioned in an 1881 advertisement for the Harvard Clock Company.  The following two entries from the  Boston City Directories are the oldest known advertisements of Joseph Eastman and the Harvard Clock Company.

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J. H. EASTMAN,

Manufacturer of 

CLOCKS, WATCHES, 

Watchmakers’  Tools and Materials, 

Wheels and Pinions for Clocks, Stem Winding and other Watches. 

Music Boxes, Models, and Automatic Machinery.

FINE WATCH REPAIRING A SPECIALTY 

105 Sumtner Street, Room 21, -  -  Boston.

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Boston City Directory, 1880

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Edwin Chaffin, Pres.                                      Edwin o. CHILES, treas.

Jos. H. Eastman, Gen’l Manager.               James Bridgeman, Supt.

HARVARD CLOCK CO.,

------manufacturers of------ 

Marine and Lock Chronometers,

Companion, repeating, and mantel clocks, 

------also------

 

fine time-keeping instruments generally.

 

147 Columbus Avenue, Boston, Mass.

 

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Boston City Directory, 1881

 

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6.75" Marine, #1054

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6" Marine, #393

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5" Marine, #1062

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Companion, #550

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Companion, #590

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Size Comparison

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Harvard Clock Co., circa 1880

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Harvard Clock Co., movement #35, 11 jewel, second oldest known Harvard marine movement, circa 1880

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11 jewel escapement, Harvard Clock Co., #76, circa 1880

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5" Marine, #361, served on Light Vessel 44, U.S.Light House Establishment,

Northeast End, N.J., 1882-1926, Cornfield Point, CT., 1926-1938

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U. S. Treasury Department letter concerning LV-44, circa 1889

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4.25" Marine, #233, along with #361, served on Light Vessel 44

LV-44, Staten Island Depot, 1912, and after hurricane of 1938

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Shelf, #1031

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