Notes on practical mechanical drawing, written for the use of the students in general engineering drawing in the University of Illinois (1907)
Wilson, Victor Tyson, 1864- [from old catalog] · State College, Pa., The author · leaf 56
Brace, Leac/^Babr, … be considered very much out of place, therefore Fig. 8 isgiven for the benefit of those who wish to familiarize them-selves with them. 48 Notes on Practical Mechanical Drawing The illustration shows a spacing and weight of line thatare practical. Of course these are more or less governed bythe area…
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-198-409.webp)
