Ontario. Dept. of Education · Toronto : W. Briggs · leaf 213
DRAWINGS BY FORM III PUPILS Pupil.-^ should be trained to judge the pro-})ortions ot objects and to test this judgment byl)encil measurement. If they judge without test-ing, this judgment is likely to degenerate intomere guess woik; it they measure without firstjudging, the eye is not being…
Drawing
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![An illustration from One thousand processes in manufactures and experiments in chemistry / [Colin Mackenzie]. (1825)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b29307867-189-2.webp)
