Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 37
ts. Let a A, {Fig. 37,) be the given line, and 5 the number of parts. Draw a c, at any angle Xo ah ; on a c, from a, set off 5 equal parts of any length, as at 1, 2, 3, 4 and c ; join c and b ; through the points, 1, 2, 3 and 4, draw 1 e, 2/, 3 ^ and 4 h, parallel to c b ; which will divide the… … {Fig. 38,) and bisect it with the perpendicular, c d ; bisect c dwith the Hne, ef, as at g ; then g is the centre as was required.
Carpentry · Architecture
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-118-324.webp)
