French, Arthur Willard, 1868-, Ives, Howard Chapin, 1878-1944. joint author · New York, J. Wiley & Sons. Inc.; London, Chapman & Hall, Limited · leaf 118
planes are parallel. Now makethe planes coincide, the springing lines of the two surfaces beingsuperimposed. In development the coursing-joints lying in thetwo surfaces will appear as in the figure, where de is the springing THE OBLIQUE OR SKEIV ARCH. 93^ litre, and ec and fa the coursing joints… … a;b c a.
Stereotomy
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