Geodaesia : or, The art of surveying and measuring land made easy (1768)
Love, John, fl. 1688, Clark, Samuel · London : Printed for J. Rivington · leaf 279
\^f *2i5-——i_—*—» But if you had rather meafure this angle, by firft tak-ing out a right one from it ; proceed thus : [See thefigure on the other fide.~\ put one ring of your chain overthe ftick at the angular point A, and ftretching out thechain, let the other end fall any where at pleafure, as…
Surveying
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