Geodaesia : or, The art of surveying and measuring land made easy (1768)
Love, John, fl. 1688, Clark, Samuel · London : Printed for J. Rivington · leaf 87
n the paper, bythe lide thereof, with the fame extent of the compafles,._ _r» mark the points A and B, and drawthe right line AB, which will mea-fure in length 10 chains, 50 links, by the fcale of11 to .an inch. On the back-fide of the fcale, thereis a line of 10 equal parts to an inch, but… … Of Inftruments and their Ufes. 6 5 Draw a line at pleafure, as A B : then fetting onefoot of your compaffes at the beginning of the lineof chords, fee that the other fall jufl upon 60degrees: with that extent fet one foot in A, anddefcribe the arch C D. Then take from your line ofchords 45 degrees,…
Surveying
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