Augsburg, De Resco Leo, b. 1859 · Boston, New York, Educational Pub. Co · leaf 35
)rinciple of representing distance mvay,or the tJtird dimension, on a flat surface. LyE It^tL … Procure for models several pasteboard boxes of about theproportion of Fig. 1. Place one of these boxes before you in theposition of Fig. 1, and observe : 1. The four vertical lines, 1, 1, 1, 1. 2. The four horizontal lines 2, 2, 2, 2. 8. The four horizontal recedingVines, 3, 3, 3, 3. 4. Observe…
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