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 62
- be divided into twoclasses, — right angles, or those which ai*c formedby lines or planes perpendicular to each other ; andoblique angles, or those which are formed by linesor planes oblique to each other. … TRIANGLES DEFINED. 59 DRAWING-BOOK EXERCISE IV. Lines forming Angles. Directions.—After -what has been said about dra^wingstraight lines, the pupil will needvery few or no directions fordrawing the lines which formthese angles. The lines shouldbe firm, not wavering ; gray, notblack ; and of equal…
Drawing
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