Geodaesia : or, The art of surveying and measuring land made easy (1768)
Love, John, fl. 1688, Clark, Samuel · London : Printed for J. Rivington · leaf 158
tain 100 acres,Firft, I double the i oo acres, and annexing five cy-phers thereto, it makes 200,00000 ; which 1 divideby 40 chains, the given bafe; the quotient is 50chains, o links, for the height of the perpendicular.As in this figure, A B is the given bafe 40 ; on anypart of it, as C, I make the… … lar E F equal to 50, and drawn the lines FA, FB,I mould have made the triangle FAB, containing100 acres, the fame as DAB. If you confider this well when you are laying outa new piece of land, of any given content, in Ame-rica, or elfewhere, although you meet in your waywith many lines and angles;…
Surveying
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