Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 29
Fig. 72. Fig. 73. A dodecahedron is a solid, bounded by twelveregular pentagons. An icosahedron is a solid, bounded by twentyequilateral triangles. DRAWING BOARD, T-SQUARE AND TRIANGLES. The problems explained in the following para-graphs are but a small part of the great number ofproblems that may…
Mechanical drawing · Machine design
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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-288-457.webp)
