( l8 9 ) 
« Defence of my Patrimony: And, fince then, my 
« frequent Avocations have not permitted me to re- 
“ affume thefe Thoughts. 
“ In the mean time I have taken Care toprefent my 
« Obfervations, fuch as they are, to the Publick, in 
“ order to preferve them ; alluring, that as on the 
“ one Hand they were made with a very fufficient In~ 
“ Jtrument) with all the Care and Diligence requifite; 
“ fo in the remote Voyages I have fince taken to af- 
“ certain the Magnet ick Variations , they have been 
“ of fignal Ufe to me, in determining the Longitude 
“ of my Ship, as often as I could get Sight of a 
« near Tranjite of the Moon by a known Fix'd 
“ Star : And thereby I have frequently corrected 
u my Journal from thofe Errors which are unavoid- 
“ able in long Sea»Reckonings. 
“ If therefore you happen at Sea to obferve nice- 
“ ly the Time of an Occupation or clofe Applica- 
“ t ion of a Star to the Moon ; andean find a cor- 
“ refpondent Obfervation, about the fame mean Ano- 
“ maly and Diftance of the Moon from the Sun (either 
“ among thefe of mine, or ih any other Colleftion 
“ of Obfervations accurately made) efpecially near 
“ the fame Time of the Year ; and, above all, after 
“ the aforefaid Period of eighteen Years and eleven 
“ Days, you may, without fenfible Error, from 
“ thence pronounce in what Meridian your Ship is y 
“ taking Care in fo operofe a Calculation, to commit 
“ no Miftake ; and, notwithstanding the Dire£tion 
“ the Moon gives you, not confiding fo much there- 
“ in as to omit any of the ufual Precautions to preferve 
“ a Ship when fhe approaches the Land. 
I had 
