Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 60
t Cthrough the centre D till itmeets the base at E. Bisectthe angle BEC by a linemeeting DB in F. With Das centre, and DF as radius,mark off the points K andL. From F draw the lineFH perpendicular to AB.With the points F, K, and Las centres, and with a radiusequal to FH, draw the three inscribed… … INSCRIBED AND DESCRIBED FIGURES. 47 meeting at the point D. Join CD and produce it to E, Bisect the angle DBE by a line cutting CE in F. With D as centre, and DF as radius, mark off the points G and H, From the points F, G, and H as centres, and with a .^ radius equal to FE draw the three inscribed…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · 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-110-284.webp)
