Marine Chronometer Collection

A Victorian two day marine chronometer with Hartnup balance, c
5858180 A Victorian two day marine chronometer with Hartnup balance, c.1870 (mounted in mahogany & brass) by Frodsham, Charles (1810-71); Private Collection; (add.info.: Charles Frodsham, London)

Hartnup balance from a Victorian two day marine chronometer, c
5858179 Hartnup balance from a Victorian two day marine chronometer, c.1870 (mounted in mahogany & brass) by Frodsham, Charles (1810-71); Private Collection; (add.info.: Charles Frodsham, London)

A Victorian two day marine chronometer with Hartnup balance, c
5858181 A Victorian two day marine chronometer with Hartnup balance, c.1870 (mounted in mahogany & brass) by Frodsham, Charles (1810-71); Private Collection; (add.info.: Charles Frodsham, London)

The polar chronometer of HMS Erebus, used by Captain Ross on the voyage to the Antarctic
2578569 The polar chronometer of HMS Erebus, used by Captain Ross on the voyage to the Antarctic in 1839-43 (wood & brass) by English School

John Harrison, English clock maker, 19th century. Artist: W Holl
John Harrison, English clock maker, 19th century. Harrison (1693-1776) designed and built the worlds first successful maritime clock

John Harrison, English clock maker, 1768. Artist: W Holl
John Harrison, English clock maker, 19th century. Harrison (1693-1776) designed and built the worlds first successful maritime clock

John Harrison, c1835. Artist: William Holl
John Harrison, c1835. Portrait of the English inventor and horologist wearing a wig. Harrison became famous for resolving one of the most problematic issues of his day - how to determine longitude

John Harrison (1693-1776). Inventor of the marine chronometer in 1757, (20th century). Artist: Thomas King
John Harrison, (1693-1776). Inventor of the marine chronometer in 1757, (20th century). A self-educated English carpenter and clockmaker who invented the marine chronometer

1767 John Harrison & marine timekeeper H4 1767 John Harrison & marine timekeeper H4
John Harrison, English clockmaker and inventor of the marine chronometer that solved the longitude problem (b. 24 March 1693 - d. 24 March 1776). An engraving by W

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