Kankakee Valley Post, Volume 8, Number 18, DeMotte, Jasper County, 31 March 1938 — Chronometers Corrected at Sea [ARTICLE]

Chronometers Corrected at Sea

The eclipses of Jupiter’s moons, which occur daily, are computed and recorded in the Nautical Almanac, and it is through observations of them that chronometers are corrected at sea.