Augsburg, De Resco Leo, b. 1859 · Boston, New York, Educational Pub. Co · leaf 135
ht lines show where to hold the pencil to find thepoints of limitation. Find points 1, 2, 3, 4, 5, () and 7, and therewill be little trouble to mark in the j^roportion of balls B and C. In Fig. 21 is combined both these methods of looking at thegroup as a whole and in detail. In such drawings both… … example, a point like E is chosen and each distance is estimatedand each line drawn with regard to this point. This method is thedirect opposite of looking at the group as a unit or whole.
Drawing
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