Walker, William, b. 1821 · New York : C. Scribner · leaf 249
320. Fig. 169 is the same cube as seen when placed alittle below the eye and to the left of the spectator, andshould be drawn in the same manner from the model. Theheight of the back line from the front square, obtained asin the previous case, determines the width of the side. Thechair in Fig. 170… … / Fig. 169.
Drawing -- Study and teaching
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![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-115-308.webp)
