Kushlan, Max. [from old catalog] · Chicago, The Branch publishing company · leaf 16
FiS^ /2 /^ect(xn^u/ah So/icf … /t^, /3 -Pyt-oinjfcf 1^ FREE HAND DRAWING smooth and almost perfect circle, and its independ-ence of any variable conditions that would tend todistort the directions of the curve. The most scientific way of drawing a circle is out-lined in Fig. 9, where we first draw two axes at rightangles to one…
Mechanical drawing
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-292-459.webp)
