Easy steps in architecture and architectural drawing .. (1915)
Hodgson, Frederick Thomas, 1836- [from old catalog] · Chicago, Ill., Printed by F. J. Drake & co. · leaf 73
ad of the semi-circular one. The pointed arch was the outcome of thedifficulty of making two arches or vaults over two ad-joining spaces of different width, so that they shouldbe of the same height. At the end of the twelfth cen-tury architects were working out this problem, and withthe power of…
Architecture · Architectural drawing
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