Geodaesia : or, The art of surveying and measuring land made easy (1768)
Love, John, fl. 1688, Clark, Samuel · London : Printed for J. Rivington · leaf 37
A circle is a figure bounded by one curved line,^ —^ ^ ~ as A, called the cir-cumference of thecircle, in the mid-dle whereof is apoint, from whencethe circle is defcrib-ed, and is calledthe center; from EV—• — /. this point or center all ftrait lines drawnto the circumfe-rence are equal, orof the… … Geometrical Definitions. 15 The diameter of a circle is a line as B C, whichpatting through the center, cuts the circle into twoequal parts, or it is the longeft ftrait line that canbe drawn in any circle. The femidiameter, or the radius, is the half ofthe abovementioned line, as A B, A C, or A…
Surveying
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