"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

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Chelsea Clock Company, The First Hundred Years

Eastman Register

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The Eastman Clock Company was the beginning of clock manufacture in the city of Chelsea, Massachusetts.  Joseph H. Eastman constructed the Eastman Clock Company factory building in 1894-1896.  It was this beginning that was to become the "Chelsea" Clock Company in 1897.   Eastman Clock Company is known to have produced limited numbers of marine, regulator, and banjo clocks in a brief period before it was sold at foreclosure in mid 1896.  There is documentation that Eastman retained movements marked Eastman Clock Co. after the foreclosure, which he later sold at the Fairhaven Manufacturing /Vermont Clock Company in Fairhaven, Vermont.  Several of the clocks listed below may be included in this group.  Production records of the Eastman Clock Company have been lost and in an effort to reconstruct this lost history, the “Chelsea” Clock Museum has been recording known Eastman clock serial numbers.  The following list of known clocks and movements is now allowing clock historians to get an accurate and fascinating picture of Eastman production.  Known marine clock serial numbers range from 8 to 388.  Known serial numbers higher than 400 are all of the weight regulator/banjo type.  Clockmaker  John C. Losch has reported seeing a group of at least 10 regulator movements, when he was a younger man, that were new and never installed in a case.  Known movement number 684 is new and appears unused and may be one of this group.  All serial number series from 1-999 have known data points with the exception of 100-199 and 700-899.  The relatively large number of data points in the 1-99 and 200-299 series makes the absence of clocks in the 100-199 series all the more glaring.   Presently known data points indicate 300 marine clocks and possibly as many as 700 weight regulators/banjos were produced.  As more clocks surface this picture will be refined.  It is interesting to note than two known marine clocks are dated on the dial, 1896 and a recently discovered clock is dated November '95 (1895) on the dial.  These three clocks have serial numbers 54, 274, and 10 respectively.   The highest known serial number on an Eastman marine clock is 388.   This clock is a 10" nickel plated key lock case, signed on the dial, "Liondale Bleach, Dye & Print Works, Rockaway, New Jersey."  The following entry in the History of  Morris County New Jersey, Volume II, Lewis Publishing Co., dated 1914 is further evidence that most, if not all, Eastman production was during 1896.  "The Liondale Bleach, Dye & Print Works, which was established at Rockaway, New Jersey, in the year 1896, and which with the passage of years, has increased the scope of its operations until it is now recognized as one of the most thriving industries of  its kind in the entire state."   If you have an Eastman clock and would like to add to the history of this record, please forward your serial number with a description of your clock or movement to the Curator of the Chelsea Clock Museum.

  

Eastman Clock Company, 1894-1896, "Chelsea" Clock Company, 1897-1997+

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 Surviving Eastman Clocks and Movements

Serial #     Dial Size       Notes

1-99                                Marine type                                                                                                                              

8                 10”                Ashcroft Mfg. Co.,  “W. & A. Fletcher & Co., Hoboken, N. J.”

10               12"             “Boston Store, Providence, R.I., November, '95, Aschroft MFG Co." 

12               6 ¾”             Ashcroft Mfg. Co., “The Wm. Cramp & Sons S. & E. B. Co., Philadelphia 

36               10"               Ashcroft Mfg. Co., "The Shaw Kendall & Co., Toledo, Ohio"

54               10”               Ashcroft Mfg. Co., “1896” 

58               7 5/8"           "Star Brass Mfg. Co., Boston, Mass", "E. N." 

78               6 ¾”            American Steam Gauge & Valve,   “The Cleveland Shipbuilding Company, Engine No. 82” 

84               6 ¾”            American Steam Gauge  & Valve,  “ The Cleveland Shipbuilding Company, Engine No. 79” 

100-199                          Marine type 

No known clocks 

200-299                          Marine type 

244             6 ¾”             Star Brass banner “Star Brass Mfg. Co., Boston, Mass.”, “E. N.“ 

250             8 ½”             Star Brass banner “Star Brass Mfg. Co., Boston, Mass.”, “E. N.” 

257             6 ¾”             Ashcroft Mfg. Co.,  fancy logo “Ashcroft Mfg. Co., New York & Bridgeport 

266             8.25”            Ashcroft Mfg. Co., “William Cramp Sons S. & E.B. Co., Philadelphia”, “USS IOWA”, BB4 

270             8 ¼”             Ashcroft Mfg. Co.,  fancy logo “Ashcroft Mfg. Co., New York & Bridgeport 

271             6.75"            black oxide dial "Geo. J. Anderson", "1896" 

273             4 ½”              white enamel dial  “Chas. C. Hutchinson, Boston”, front escapement, presently a unique type 

274             8 ½”              black oxide dial  “Arthur E. Cutler”, “1896” 

300-399                            Marine type

339             4 ½”               “Chas. C. Hutchinson, Boston”, property of Chelsea Clock Co.  

349             12"                 "Ashcroft Mfg. Co., New York & Bridgeport",  fancy arabic numerals   

380             8 ¼”               Ashcroft Mfg. Co.,  fancy logo “Ashcroft Mfg. Co., New York & Bridgeport 

388             10”                 Ashcroft Mfg. Co.,  “Liondale Bleach Dye & Print Works, Rockaway, N. J.”, escapement #390 

300-399                             Regulator/banjo type

320                                    weight regulator movement   

343                                    weight regulator, penciled inside clock,  "1st clock put up in this building Aug 95 at 20 minutes past 9am" 

361                                    weight regulator, oak, painted tablet  

366                                    weight regulator movement

381                                     weight regulator, oak, clear tablet

400-499                             Regulator/banjo type 

461                                    weight regulator movement 

468                                    weight banjo movement 

500-599                             Regulator/banjo type  

520                                     weight regulator movement 

565                                     weight regulator oak

584                                     weight regulator  movement

600-699                              Regulator/banjo type

681                                     weight regulator                           

684                                     weight regulator movement 

700-899                              Regulator/banjo type

754                                     weight regulator, oak, Daniel Pratt's Son, Boston, painted tablet.

855                                     Weight regulator

900-999                              Regulator/banjo type

901                                     weight regulator

Known marine clocks/unknown serial numbers

???              6"                    "Eastman Clock Co."

Note: All known marine movements have nickel damascened plates and  7-jewel double roller escapements 

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