An introduction to machine sketching and drawing for industrial and technical schools (1917)
Toronto : Copp, Clark · leaf 16
urse depends. He should not pro-ceed till each student understands it thoroughly. With each succeeding exercise, he should endeavour to get the students into the habit of viewing anobject from squarely in front of the side that is to be drawn—looking down upon it for the plan, etc. Ina short time…
Mechanical drawing
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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)
