American text books of art education : Geometrical drawing (1873)
Smith, Walter, 1836-1886 · Boston : James R. Osgood & Co. · leaf 41
sect two sides of the triangle by Prob. 1, continuing the bisectinglines until they meet in point 1 ; with 1 as centre, radius 1 A or 1 Bor 1 C, describe the required circle. Prob. 26. — To make a trapezium equal to a given trapezium A BDC- Draw a line E F equal to A B; at F construct an an^lc…
Geometrical drawing
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