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Pendulum clock conceived by Galileo Galilei around 1637. The earliest known pendulum clock design, it was never completed.
Pendulum clock conceived by Galileo Galilei around 1637. The earliest known pendulum clock design, it was never completed.
Vienna regulator style pendulum wall clock
Vienna regulator style pendulum wall clock
A lantern clock that has been converted to use a pendulum. To accommodate the wide pendulum swings caused by the verge escapement, "wings" have been a
A lantern clock that has been converted to use a pendulum. To accommodate the wide pendulum swings caused by the verge escapement, "wings" have been added on the sides
Grandfather clock
Grandfather clock
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An analog pendulum clock made around 18th century
An analog pendulum clock made around 18th century
Casio F-91W digital watch, one of the most popular watches ever
Casio F-91W digital watch, one of the most popular watches ever
Simple horizontal sundial
Simple horizontal sundial
The flow of sand in an hourglass can be used to keep track of elapsed time.
The flow of sand in an hourglass can be used to keep track of elapsed time.