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The rudiments of architecture and building, for the use of architects, builders, draughtsmen, machinists, engineers, and mechanics (1872)

Bullock, John · Philadelphia, H.C. Baird & Co. · leaf 236

An illustration from The rudiments of architecture and building, for the use of architects, builders, draughtsmen, machinists, engineers, and mechanics, 1872, leaf 236 — r, or four centred arch, is not necessarily flat ordepressed. Its chief advantages are, that it can be madeof any proportion, high or low, and always with a decidedangle at the vortex ; whereas the common Gothic must al-ways be of a higher proportion than a semi-circle. From this style arose the… … 222 HISTORY AND RUDIMENTS

Architecture · Building

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