Geodaesia : or, The art of surveying and measuring land made easy (1768)
Love, John, fl. 1688, Clark, Samuel · London : Printed for J. Rivington · leaf 50
o equallines, as AC and BC; thentaking one of thefe lines inin your compafTes, fet onefoot in A, and defcribe thearch b b -, alfo fet one foot inB, and defcribe the arch c c.Laftly, draw lines from A andB to the point of interfe&ion,and it is fmimed. The twoequilateral triangles together,form a… … P R O B. Geometrical Problems. P R O B. XIII. 50 divide a circle into any number of equal parts > notexceeding ten, and alfo to Jhew how the figures called*Pentagon, Hexagon, Heptagon, Octagon, &c. maybe described. Let A B C D be a circle, in which it is required to infcribe an equilateral…
Surveying
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.