400-day clock
nounEtymology So called because such clocks might run for more than a year on a single winding.
1
Synonym of anniversary clock.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology So called because such clocks might run for more than a year on a single winding.
Synonym of anniversary clock.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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