Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 127
ters of the required ellipse. To describe the curve by interset--tion of lines, proceed as directed at Art. 118 and noie ; by atrammel, see Art^ 125 ; and to find the foci, in order to describe itwith a string, see Art. 115. … Fig. 132. d \ ^ a Fig-. 133 23L—Fig. 132 to 139 exhibit various modifications of theGrecian ovolo, sometimes called echinus. Fig. 132 to 136 are MOULDINGS, CORNICES, &C. 113
Carpentry · Architecture
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