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Clock dial of First Parish in Harvard Square

Exterior of First Parish in Harvard Square

Church Tower Clock, Cambridge, Massachusetts
1832

Wheels within wheels
Simon Willard of Boston, MA, built this tower clock in 1832, when he was 79 years old. It was designed to be wound once a week and to strike the hours on a single bell. Large cast weights provided power. For many years it kept faithful time at the First Parish, in Harvard Square, Cambridge.

Notes
Web display only

Learn more!
· "On Time," an NMAH Virtual Exhibition
· "Taking the Measure of Time" by Per Ola and Emily d'Aulaire, "Smithsonian" magazine, December 1999

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