Clocks and Timekeeping
Discover Jefferson's fascination with clocks and their role in time management and scientific inquiry.
Interior view of Jefferson's astronomical case clock showing its pendulum and day markers; photographic image (c) Thomas Jefferson Foundation.
Thomas Jefferson maintained a lifelong fascination with timekeeping and timekeeping devices, including the original Great Clock, Astronomical Clock, and Obelisk Mantel Clock on display at Monticello, all of which were made to his specifications and design.