Kushlan, Max. [from old catalog] · Chicago, The Branch publishing company · leaf 23
The outline of the cube is finishedby drawing the left face as a rectangle having all itssides parallel to the corresponding edges of the other 18 FREE HAND DRAWING face that has already been drawn. The left face of thecube is not shaded since it presents all of its surfaceto the light. - By… … FIG. 15. to the source of light. It is also clear that the propor-tions of the bodies as shown in the drawing are verymuch distorted from their actual measurements sinceby observing an object from a certain angle we seesome lines longer and other lines shorter than theyactually exist in space. To…
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-304-465.webp)
