French, Arthur Willard, 1868-, Ives, Howard Chapin, 1878-1944. joint author · New York, J. Wiley & Sons. Inc.; London, Chapman & Hall, Limited · leaf 81
at part of each cylin-der which lies under the other and between their common curvesof intersection. The cloistered arch is formed by removing thoseparts of each cylinder which lie above the other, and are above theircommon curves of intersection. Figs. 38 and 39 are isometric views of the groined… … Fig. 38.—The Groined Arch. Fig. 39.—The Cloistered Arch. Two cylindrical arches having the same rise will intersect inellipses, the horizontal projections of which will be straight lines.The curves of intersection of the two arches are called groins orgroin curves. Fig. 38 shows how the groin…
Stereotomy
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