Board of Longitude
| Commissioners for the Discovery of the Longitude at Sea | |
| Formation | 1714 |
|---|---|
| Founder | Longitude Act 1714 |
| Extinction | 1828 |
| Type | Government body |
| Purpose | administration of a scheme of prizes intended to encourage innovators to solve the problem of finding longitude at sea |
|
Membership (1714)
|
24 |
The Commissioners for the Discovery of the Longitude at Sea, or more popularly Board of Longitude, was a British government body formed in 1714 to administer a scheme of prizes intended to encourage innovators to solve the problem of finding longitude at sea.
Navigators and scientists had been working on the problem of not knowing a ship's longitude. The establishment of the Board of Longitude was motivated by this problem and by the 1707 grounding of four ships of Vice-Admiral Sir Cloudesley Shovell's fleet off the Isles of Scilly, resulting in heavy loss of life. Established by Queen Anne the Longitude Act 1714 named 24 Commissioners of Longitude, key figures from politics, the Navy, astronomy and mathematics. However, the Board did not meet until at least 1737 when interest grew in John Harrison's marine timekeeper.
The Board administered prizes for those who could demonstrate a working device or method. The main longitude prizes were:
In addition, the Board had the discretion to make awards to persons who were making significant contributions to the effort or to provide financial support to those who were working towards a solution. The Board could also make advances of up to £2,000 for experimental work deemed promising. Under this heading, the Board made many lesser awards, including some awards in total £5,000 made to John Harrison before he received his main prize, an award of £3,000 to the widow of Tobias Mayer, whose lunar tables were the basis of the lunar data in the early decades of the Nautical Almanac, £300 to Leonhard Euler for his (assumed) contribution to the work of Mayer, £50 each to Richard Dunthorne and Israel Lyons for contributing methods to shorten the calculations connected with lunar distances, and awards made to the designers of improvements in chronometers.
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