The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 328
ortland cement and 4 sand,broke down with 56 lb. at end. 1846.] THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. 295 Experiment 7.—26 bricks, with 1 portland cement and 5 sand,broke down with 74. lb. at end. Experimnt 8.—14 bricks, all portland cement, with a wheel of9 cwt. in the centre, broke down… … Fig. 2. Experiment 10.—A block of portland stone, 2 ft. 11 in. long,and 9 by 9 inclies, broke with a weight of 38 cwt. {See fig. 3.)ffote.—A block, cemented with roman cemeot, would not bear theweight of the stone, iu a similar position.
Architecture · Civil engineering · Science
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