Geodaesia : or, The art of surveying and measuring land made easy (1768)
Love, John, fl. 1688, Clark, Samuel · London : Printed for J. Rivington · leaf 61
g 8 Geometrical Problems. which is no more than performing the Rule of Threeby lines; thus, If A 14 give B 18, then what mallC 21 give ? Anfwer, 27. But to perform the famegeometrically, work thus: Firft, Make any Angle, as B A C: then take withyour compares the firft line A, and fet it from A*o… … the third line C with your compares, and fet itfrom A to 21. From 21 draw 21, 27 parallel to14, 18. Then will A, 27 be the length of yourfourth line required. And here for a while I {hall leave thefe Problems^till I come to mew you how to divide any piece ofland •, and to lay out any piece of a…
Surveying
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