ve. The pupils will indicate that they have completedtheir work by raising their hands, or in any otherway the teacher may direct. Tearher.—Mark the centreof the upper half of the upperleft-hand side, as you see that Ihave. Piqjils. — We have. This will give what is seenat a in B. Having…
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-90-155.webp)
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