Appletons' cyclopædia of technical drawing : embracing the principles of construction as applied to practical design ... (1896)
Worthen, W. E. (William Ezra), 1819-1897 · New York : D. Appleton · leaf 78
FIG. 165. FIG. 166. FIG. 167. carried to each angle, and to all the dots on the sides. As in the precedingfigure, slight curves are made on either ofthe side-lines, and the trefoil isadded to each angle, with the base of the middle leaf touching the transverseworking-lines between the sides.It will…
Mechanical drawing
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