Longitude Collection

Harrisons First Chronometer
This photograph shows Harrisons first chronometer, developed between 1729 and 1735 in response to the British Government offer of a 20

Abstract of Cunard White Star Log, RMS Queen Elizabeth
Abstract of the Log of Cunard White Star RMS Queen Elizabeth, November 1946 - Southampton to New York. Date: 1946

Dipping needle compass made by Edward Nairne, 1772
Dipping needle compass made by Edward Nairne for the Board of Longitude based on plans for the Reverend John Mitchell, Rector of Thornhill, 1772

PARALLELS OF LONGITUDE
Parallels of longitude, relative to the Equator Date: circa 1690

Annulorum by Johann Dryander. Colored engraving
Johann Dryander (1500-1560). German anatomist and astronomer. Annulorum. Title cover, 1537. Colored engraving

Annulorum by Johann Dryander
Johann Dryander (1500-1560). German anatomist and astronomer. Annulorum. Title cover, 1537

Ross / Saumarez River
John Rosss arctic expedition: The Saumarez River which never freezes in Latitude 70 degrees north and Longitude 92 degrees west. Date: 1829 - 33

Capt Sir William Fraser, Bar F.R.S, (d.1818), one of the Elder Brethren of Trinity House, (1737 - 1818) on left a rolled chart of Papua New Guinea

HARRISONs NO 5
Harrisons number 5 timekeeper or chronometer for finding longitude (an improved version of the number 4). Date: circa 1760

John Harrison
JOHN HARRISON horologist, inventor of successful chronometer for determining longitude at sea

Harrisons Fourth
Harrisons number 4 timekeeper or chronometer for finding longitude

Maupertuis in Lapland
PIERRE LOUIS MOREAU DE MAUPERTUIS (1698 - 1759) French mathematician and astronomer sent to Lapland by Louis XV to measure a degree of longitude

Lines of Longitude 1683
Showing Africa, Europe, Asia, South Pole and part of Australia, the two hemispheres, the equator and the lines of Longitude

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