Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 101
Fis. 182. 8o PRACTICAL PLANE GEOMETRY … Fitr. 183. ilg. 180 is called a Guilloche: it would afford good practice tothe student to draw this between two concentric arcs instead ofparallel lines. rig. 183 shows how different geometrical figures maj becombined to form geometrical patterns. CHAPTEE VII PEOPOETIONAL LINES Proportional lines…
Geometrical 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-240-432.webp)
