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Longitude of a celestial body
| Глоссарий морской лексики и терминологии (английский язык) |
An arc of the ecliptic, contained between the first point of aries and a circle of longitude passing through the centre of the body.
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Long oyster, английский
A name of the sea cray-fish.
Longitude by lunar observation, английский
The longitude calculated by observing the moon`s angular distance from the sun or a fixed star. it is the only check on chronometers, and very valuable in long voyages, though now much neglected, since the establishment of compulsory examination in the merchant service, which does not require lunars.
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