London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 439
thick, 4 in. broad, and of the heights of 6 in., 12 in., and 18 in.,respectively : bricks were employed for the other piers. With 418 Principles of Constructioti respect to the difference between the strength of a solid pierand one composed of several pieces, it is in favour of theformer. 158 w … Fig. 158. represents experiments with four arches; two ofRoman, and two of Gothic construction, of equal spans of 10 in.,and placed upon a single pier in the centre, having immovablebuttresses; the two Roman arches abutting against each other,and at right angles to the two Gothic arches. The…
Architecture
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