Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 79
and the double line and thetransverse lines which form the squares are repeated for the sake of symmetry,and as affording an impression of agreeable repose. It is from such a basis as this that all these various patterns are derived,and they produce a result which an inexperienced eye, unaccustomed… … Fig. 171. All of these designs can be constructed mechanically, but more grace isgiven to the design by the filling in with free hand, and it is an excellent prac-
Mechanical drawing
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