A text book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained (1849)
gular po-lygon in a circle or on a given line; to do so, it is necessary toknow the angle formed by said polygon by lines drawn from itscorners to the centre of the circle, and also to know the angleformed by any two adjoining faces of the polygon. The tablegiven for this purpose is constructed as… … Tiii.foii Ilii hitiiii/Ic.Viiaoii(Jcftiiimi I.llllftHKUl/ hCthimilUn/iu uIIKill Ulf • (It till I i iilirffO —•>I • l:>It :u> ()() ,1/ till I in • Ill/If, ■i\iii< (/ in) ,/• if icr, il 1 /•.v //• ./ /.■!,^ </• l/ //r ./•■ ,/•• /// ./• ,/ /.V \\ Mil,Ill- PLATE X. 31 sides in the…