Posts Tagged ‘Nautical Almanac’

CAPTAIN COOK – JOHN HARRISON – CHARLES GREEN: THREE YORKSHIRE MEN WALKED INTO A BAR

Wednesday, August 23rd, 2017

‘He [John Harrison] wrested the world’s whereabouts from the stars, and locked the secret in a pocket watch’. Dava Sobel, Longitude, Fourth Estate, 1998

Harrison H-4 Chronometer

Since earliest times sea-faring nations such as England, Portugal, France, Spain and the Netherlands vied with each other to solve – the Holy Grail of Navigation – longitude – calculating with precision a ship’s position while at sea beyond sight of land.

1714:  Legislation, The Act of Longitude 1714, followed an enquiry into England’s first recorded 18th century maritime disaster.

In 1707 in heavy weather off the Cornish coast six (6) of Admiral Shovell’s ships lost their bearings and dashed to pieces on the Scilly Isles with the loss of 1500 lives.

Under the 1714 Act a Board of Longitude was established to invite and evaluate submissions and award a prize of £20,000 to whom-so-ever solved the problem of longitude.

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