Copy letter from Johannes Philip Baratier to the Royal Society Written at Schwoboch ' Giving an account of a method proposed by him for finding the Longitude at Sea by observatins of the Moon and a fixt Star etc. ' Includes small illustrations p 390 p 393 p 394 p 401 p 405 p 410 Presented 8 May 1735 and referred to Mr Hodgson. See his account of it in the Register Book, at June 5, 1735 4 February 1735