File:An Account of the Mode Proposed to be Followed in Determining the Relative Situation of the Royal Observatories of Greenwich and Paris. By Major-General William Roy, F. R. S. and A. S. (1787) (14587030789).jpg

Identifier: philtrans08537735 (find matches)
Title: An Account of the Mode Proposed to be Followed in Determining the Relative Situation of the Royal Observatories of Greenwich and Paris. By Major-General William Roy, F. R. S. and A. S.
Year: 1787 (1780s)
Authors: Roy, W.
Subjects: Proceedings of the Royal Society of London Philosophical Transactions of the Royal Society
Publisher: Royal Society of London

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0 If a u^ma* deZoUm^en^ ill iini m\. \\m\ mi pw m%\ — It 24^ se -fd ^$11 J!l 24 3$ IK zz 2-^ 36 -fS ~ST^ M ^■^ 36 IltQDE Scale of TMrtfThoiifarLdToifes, Ratio to the Fathoms as lo65.7J,to looo. J.feAJTKE Sc 1 2 3 ^ mmm mmmi ■ iiiwtinii wiPPtii ii 10 11 ?^ 13 M M l6 17 l8 ig 20 M 22^ 2$ U ^ 26 ,27 28 Z0 jhehe: iiiii •iiUMiilii 1— •— ■)!!IH))fl;l; 30,000 liW BJW ml AJTKE Sc. io,ooo ( 465 ) APPENDIX. Jl Supplement to Major^Gemral Roys Accmnt of the Mode pro-^pofed to h followed in determining the relative Situation of theRoyal Obfervatories of Greenwich and Paris. See p. i88« ReadNov. 8, 1787. IN the account of the propofed trigonometrical opera-tion for determiniog the difference between the meri-dians of the Royal Obfervatories of Greenwich and Paris,I have, at p. 221. and 222. had occafion to remark on aninconliflency found in the fum of the three equations, asjftated by M» Bouguee, for obtaining the lengths of de-grees of great circles perpendicular to the meridian,

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