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 253
sees, willusually draw the two parts of the same size. Theapparent size of an object (and it is the apparent sizewith which we must deal in Model and Object Draw-ing) depends upon the angle of vision. SupjDOse twoequal straight lines, placed as ah and cd in Fig. 1,cut A, Avith the eye at e. The… … by the converging dotted lines. You perceive that the angle ofA ision aeb isconsijlorabl}-Iiirncr thanthe angle of\ision ced,nnd tliat theapparentlingth of erf,as comparedwith a6, isonly eqnal toc/,or a1)outone-half of the apparent length of ah. This apparent differ-ence in the length of the two…
Drawing
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