10E2213: The Board of Longitude
"The Board of Longitude sent astronomers on voyages of exploration to test methods of navigation and help make better maps. Cambridge University Library and the National Maritime Museum have digitised the Board of Longitude archive and are now available to view online.
This film looks at some of the techniques they used to make maps and introduces the story of William Gooch, a young astronomer who met an untimely end. For more information visit rmg.co.uk/boardoflongitude/"