Mellificium mensionis, or, The marrow of measuring : wherein a new and ready way is shewn how to measure glazing, painting, plaistering, masonry, joyners, carpenters, and bricklayers works : as also the measuring of land, and all other superficies, and solids, by vulgar arithmetick, without reducing the integers into the least denomination, giving the content of any superficie or solid, consisting of feet, inches, and parts of inches, in a fourth part of the time and labour required by the usual way in vulgar arithmetick : together with some choice principles and problems of geometry conducing thereto : to which is added, an appendix, left under the author's own hand, the contents of which, see in the next page : illustrated with copper cuts the like not heretofore published ... (1727)
Mandey, Venterus, Hobbes, Thomas, 1588-1679, Tebb, Thomas, King, Thomas, Illidge, Samuel, White, Robert, 1645-1703 · London : Printed for Tho. Tebb ... Sam. Illidge ... and Tho. King ... · leaf 120
GEOMETRICAL Book II. 71 PROP. IX. rv 'h ... . ; i‘ l • L-? ^to cut an Angle given, into any Proportion given. LE T the Angle given be B A C, and let the Pro- portion given be as A B to A D. Let the Arch A D E be defcribed, and cut the Arch B C in the Middle in F. Wherefore A F being drawn, it will… … Apply the two Chords D G, G E, to the Arch B F in I and K, fo that the Chords B I, I K may be Equals to the Chords D G, G E, and either to other ; alio draw the Lines A I, A K,of which A K cuts the Arch DE in L, and AI cuts the fame Arch in M.
Measurement · Geometry
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