The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 211
lack Gneiss from Hills quarry, onCnim Creek, weighed 177 lb. per cubic foot. All the specimens of the aboverocks, of which the specific gravity was tried by the writer, were broken offfrom masses of stone delivered at the Delaware Breakwater, in the construc-tion of which all these varieties were… … Let us assume, according to Arnott, the maximum altitude of wavesto be twenty feet, then if we take the case of the Delaware Break-water, where the storm tides rise ten feet, let a, in the annexed sketch,Fig. 1, be the top level of the storm tide, b, the plane of low water, c,the dry rubble…
Architecture · Civil engineering · Science
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