- A
marine chronometer is a
precision timepiece that is
carried on a ship and emplo**** in the
determination of the ship's
position by
celestial navigation...
- of all
chronometers listed here is
either box or
pocket. A
boxed chronometer is
mounted on
gimbals attached to its box. A
pocket chronometer is in the...
- (1747–1806),
English chronometer maker, London,
pocket and
marine chronometer.
George Margetts (1748–1808),
English chronometer maker, London,
pocket and marine...
-
watch that was both
practical and accurate, and also
brought the term "
chronometer" into use in its
modern sense,
meaning a
precision timekeeper. His technical...
-
adoption in the 19th
century made the
fusee obsolete.
Complicated pocket chronometers and
astronomical watches with many
hands and
functions were made...
- 1768, to rate his
pocket chronometers. It is now in a
museum in Le Locle.
Minute repeaters,
complicated watches and
pocket chronometers carried the re****tion...
- 1776) was an
English carpenter and
clockmaker who
invented the
marine chronometer, a long-sought-after
device for
solving the
problem of
calculating longitude...
- A
nautical chronometer made by
Thomas Earnshaw (1749–1828), and once part of the
equipment of HMS Beagle, the ship that
carried Charles Darwin on his...
- and at
least one
pocket chronometer for the
Colonial Office African Expedition. As
early as 1814, Dent was
making clocks and
chronometers on his own account...
-
other areas. (David
Livingstone was
there in 1872, and
borrowed a
pocket chronometer,
witness the do****ent at the right.)
Unyanyembe was a 19th-century...
