Teachers' manual for freehand drawing in primary schools (1878)
Smith, Walter, 1836-1886 · Toronto : Adam Miller & co. · leaf 128
a horizontal line drawntwo-thirds of one part of the vertical line ahove 2.See that all the lines run gracefully into one anothei-. Oard-Exerctse VTTL Simple and Compound Abstract Curves, Balanced.It will be seen that this is nslight variation of the last ex-ercise, the spirals being drawnnear the… … THE SPIRAL. There are two varieties of the compound curvecalled the spiral. In the first variety, the distancebetween the different spires is the same, as shownat I. This is called the equable spiral, because its 126 TEA VHERS MA N UA L. breadth increases uniformly with each revolution ; itis also…
Drawing
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![An illustration from Gram[m]ato-graphices : jn qvo varia scripturae emblemata, belgicis, germanicis, italicis, hispanicis, gallicis, et latinis characterib[us] exarata : cum singulorum anatomicis fundamentis ad exacté pingedum perquàm utilia, oculis spectanda jmitandaq[ue], proponuntur (1605)](https://img.insideoutlibrary.com/img/200/ia-grammatographice00bois-43-110.webp)
