Light and shade with chapters on charcoal, pencil, and brush drawing : a manual for teachers and students (1901)
Cross, Anson K. (Anson Kent), 1862-1944, Ginn and Company, publisher, Athenaeum Press (Cambridge, Mass.), printer · Boston, U.S.A., and London : Ginn & Company, Publishers : The Athenaeum Press · leaf 123
the student should aim to produce the effect of atmosphereand of nature by means of tones produced by hatching wide pencillines closely together so as to produce the effect of an even tone ofshade. In more finished drawings, such as Fig. 27, the effect ofthe graded tones required should be produced… … Fig. 49.
Shades and shadows in art · Drawing · Art · Chiaroscuro · Light in art
Internet Archive · Boston Public 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-200-410.webp)
