Teachers' manual for freehand drawing in Intermediate schools : intended to accompany the drawing-books for intermediate schools (1878)
Smith, Walter, 1836-1886 · Toronto, A. Miller · leaf 40
recircular, elliptical, &c. Linesare said to be continuous, as1 and 2 ; or discontinuous, as4. Two lines are said to beparallel, when they lie sideby side, and have the samedirection ; as 1 and 1, 2 and 2. They are, therefore,at the same distance apart throughout their wholelength. It will be… … 38 TEACI/EJiS MANUAL. Tliink of a line as moving siilewisc, and its pathTrill form a surface. Illustrate b} using a piece ofwire, straight or curved, to represent a line ; mov-ing it sidewise through the air. The surface ma}-be a plane, to all parts of which a straight rule canbe applied exactly-;…
Drawing
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