Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 736
def ffh to the station point S, and project their intersection with the base lines to theperspective line a D as in previous examples ; the intersection of the lines ¥D, / D, m! D by the perpendiculars thus projected will establish the points PERSPECTIVE DRAWING. 719 of the curve of the arch on the… … Fig. 1802. the perspective width of the pier; draw k^ D; and from ^, h D; from ^the intersection of the curve of the arch by the perpendicular to g\ draw g D,the intersection with k D will be one point in the curve of the arch on theopposite side of the bridge ; in the same way, from any point in…
Mechanical drawing
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