London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 428
nder the Lateral Force and Weight of dif-ferent Arches. 3. Experiments with Arches of varied Span andForm, acting against each other, being placed on Piers of unequaland equal Heights. (^Continued from p. 360.) The three following diagrams {fgs. l^*, 145, and 146.) re-present experiments with a… … Fig. 144. represents an arch of 24 in. span, and 19 in. high,and composed of twenty voussoirs, each of the weight of half apound, which just balanced on piers of 7 in. in height; the basemeasuring 4 in. by 4 in. The weight of the arch is 10 lb. Theheight, from the base line to the under part of the…
Architecture
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