Geodaesia : or, The art of surveying and measuring land made easy (1768)
Love, John, fl. 1688, Clark, Samuel · London : Printed for J. Rivington · leaf 213
convex fuperficies upon the paper,you muft only plot the horizontal or bafe thereof jwhich you muft (hadow over with the refemblanceof a hill, that other furveyors, when examining your 190 Heights and Diftances. your work, may not fay you were miftaken. Thisiorizontal or bafe line, you may find… … the hill, as the inftrument ftands from the groundat A; and with your inftrument horizontal, takethe angle B A C 58 deg. Meafure the diftance AB16 chains, 80 links; then fay,As radius 10,000000 is to the line A B 16 ch. Solin. 3,225309 So is the fine complement of A 58° 9,724210 to A D (made by the…
Surveying
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