Geometrical and graphical essays, containing a general description of the mathematical instruments used in geometry, civil and military surveying, levelling, and perspective; with many new practical problems (1803)
Adams, George, 1750-1795, Jones, William, 1763-1831 · London, Printed by W. Glendinning for, and sold by W. and S. Jones · leaf 352
r, reasoning as before, the sum of the first mentioned productswill be double the area of Q q o O N M R QA^yi 11 r m Is/l; andthe stim of the last mentioned products will be double the area ofU q o O P U-j-iM R r m TVl. But it is cvidtnt, that QqoO P Q—Q q o <JJ<J^1 RQ —MNOPgRM :… … 334 FIELD BOOK ENLARGED. Si s (iJ G 5 *^ rt c ;i c — s c! s S s 3 « o g g S ■>,•£ ^ 5 G rt ti l-s «f i^ 5i a J rj E u o WW WWW WW O 0) 1 ■c -= OJ c *^ — o U: 2- &!.•; ?^ Z: Z Z ;z; ^ C r-t 13 ■- C t« R^ 8 ^ ^ r< 3C _a) •9 • Ff -3 r! cr ,/ re &l; J ^. 1) o ■o r^ o c^ (O > -o o O 0^…
Mathematical instruments
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