284 12" clocks were produced between 1897 and 1914. This information has been determined from the factory records and is a combination of sales and movement type records.
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Many inventors and the family of companies that followed the Harvard Clock Company produced and patented designs that would set the foundation for the marine clocks of the next 125 years.
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Any discussion of the Chelsea Clock Company begins with Joseph H. Eastman. The historical record of Eastman and his clocks is a constantly evolving story.
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Chelsea catalogs were noted by letter until 1928 when they were subsequently noted by number starting with catalog #14. Catalog A of 1906 contains 32 total pages. Two copies of this catalog are known to exist, one owned by the American Clock and Watch Museum, Bristol, CT. and the only known complete copy owned by the Chelsea Clock Museum.
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Prior to 1906 Chelsea Clock Company advertised their clocks in magazines such as "The Rudder" and "Country Life In America".
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Joseph H. Eastman and the Harvard Clock Company began a relationship with the U. S. Government in 1880 that would span more than 100 years. Clocks from Harvard, Boston, Eastman, Fairhaven, Vermont, and Chelsea Clock Companies have served with distinction in the U.S. Navy, U.S. Light House Establishment, U.S. Life Saving Service and U.S. Coast Guard. more...
Chelsea Clock Company produced the first of it's most iconic marine clock designs, The Yacht Wheel Ship's Bell Clock, in 1905. The oldest known Chelsea clock of this design was retailed by Theodore B. Starr and Company with a shop at 206 Fifth Avenue in New York City, on July 15, 1905 and recorded in the Chelsea Clock Company factory record book as serial number 15273. more...