Chronometers sentence example
Although observations on marine currents were made near land or between islands even in antiquity, accurate observations on the high seas have only been possible since chronometers furnished a practicable method of determining longitude, i.e.
Her father, William Mitchell (1791-1869), .was a school teacher and self-taught astronomer, who rated chronometers for Nantucket whalers, was an overseer of Harvard University (1857-1865), and for a time was employed by the United States Coast Survey.
There is a school of industrial art (engraving and enamelling watch cases) and a school of watch-making (including instruction in the manufacture of chronometers and other scientific instruments of precision).
John Arnold was the first to mass produce chronometers, tho his first three performed poorly on Cook's second voyage.
Mudge made three chronometers, tho Maskelyne managed to break the first one of them, and received 3000 from the Board of Longitude.Advertisement
However it wasn't fully solved in a way sailors could use at sea for some 150 years, when accurate chronometers became available.
Between the six VX-200 models, you can find chronometers, calenders, and tachymeters.
In 1860, Louis-Ulysse Chopard founded his company and began producing pocket watches and prestigious chronometers.
De Ville Co-axial Automatic watches are self-winding chronometers, a type of watch that has been subjected to rigorous tests.
Buyers can choose from chronograph styles, with tiny dials to measure small time periods, quartz, chronometers, and GMT watches for travelers that make it easy to tell what time it is back home.Advertisement
Ball as their Chief Time Inspector, in order to establish precision standards and a reliable timepiece inspection system for Railroad chronometers.
If you're thinking about buying a regatta watch, take a look at a few of the many models offered by Regatta Marine Chronometers before you make a final decision.