Haswell, Charles Haynes, 1809- [from old catalog] · New York, Harper & brothers · leaf 174
rect the perpendicular A q,and draw the*linc q D equal and parallel to A c. Bisect A c and A q in r and n; make c I equal toc I), and draw the line I r q; draw also the linen s D; bisect s D with a line at right angles, andcutting the line cDino; draw the line o q; makec p equal to c k, and draw… … 170 GEOMETRY. To Describe a GJ-otliic Arc—Figs. SO and. Ql. (20.\ i Divide the line A B (Fig. 20) into three equal parte, ef; from the points A and B let fall the perpendiculars A c andB ef, equal in length to two of the divisions of the line A B,draw the lines c h and d g; fromthe points e/, with…
Engineering · Mechanical engineering
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