anniversary clock


Definition of anniversary clock

: a clock with a slow torsion pendulum that enables it to run as long as 400 days on a single winding

called also four-hundred-day clock

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First Known Use of anniversary clock

1901, in the meaning defined above

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The first known use of anniversary clock was in 1901

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Cite this Entry

“Anniversary clock.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2020.

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