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astronomical regulator

astronomical regulator

Simon Willard, Jr.
1832
astronomical regulator

astronomical regulator

Thomas Tompion
circa 1685
astronomical regulator

astronomical regulator

John Ellicott
1765
astronomical regulator

astronomical regulator

Benjamin Franklin Willard
1844
astronomical regulator, no. 65

astronomical regulator, no. 65

Sigmund Riefler
1902
astronomical regulator, no. 103

astronomical regulator, no. 103

Ballou Manufacturing Company
1880-1890
astronomical regulator, no. 137

astronomical regulator, no. 137

William Bond and Son
1855
Image Not Available

astronomical regulator, no. 255

E. Howard & Company
circa 1910
astronomical regulator, no. 312

astronomical regulator, no. 312

William Bond and Son
1860
astronomical regulator, no. 370

astronomical regulator, no. 370

William Bond and Son
circa 1864
astronomical regulator, no. 394

astronomical regulator, no. 394

Richard F. Bond
circa 1867
astronomical regulator with a 24-hour dial

astronomical regulator with a 24-hour dial

German
late 19th Century
/ 3

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