- (1747–1806),
English chronometer maker, London,
pocket and
marine chronometer.
George Margetts (1748–1808),
English chronometer maker, London,
pocket and marine...
- 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...
-
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...
- 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...
- 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...
- 1776) was an
English carpenter and
clockmaker who
invented the
marine chronometer, a long-sought-after
device for
solving the
problem of how to calculate...
-
Railroad chronometers. This led to the
adoption in 1893 of
stringent standards for
pocket watches used in railroading.
These railroad-grade
pocket watches...
- 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...
-
death in that year with the last
surviving remnants of the crew. A
pocket chronometer marked "Parkinson &
Frodsham 980" was
issued to
Erebus in 1845 and...
