Definition of longitude watch in English:

longitude watch

noun

historical

Late 17th century; earliest use found in Henry Oldenburg (c1619–1677), scientific correspondent and secretary of the Royal Society.

noun

historical

Late 17th century; earliest use found in Henry Oldenburg (c1619–1677), scientific correspondent and secretary of the Royal Society.

单词	longitude watch
释义	Definition of longitude watch in English: longitude watch noun historical A small chronometer formerly used in ascertaining longitude. Origin Late 17th century; earliest use found in Henry Oldenburg (c1619–1677), scientific correspondent and secretary of the Royal Society. Definition of longitude watch in US English: longitude watch noun historical A small chronometer formerly used in ascertaining longitude. Origin Late 17th century; earliest use found in Henry Oldenburg (c1619–1677), scientific correspondent and secretary of the Royal Society.
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