This anomaly is due to... disuse of the hydraulic mortars of the Romans, Arabians and Byzantines, because the art of manufacturing these materials, which constituted the basis of their cohesive construction, was lost.

— Rafael Guastavino Essay on The Theory and History of Cohesive Construction (1892)

More quotes by Rafael Guastavino

Essay on The Theory and History of Cohesive Construction (1892)

Essay on The Theory and History of Cohesive Construction (1892)

Essay on The Theory and History of Cohesive Construction (1892)

Essay on The Theory and History of Cohesive Construction (1892)

Essay on The Theory and History of Cohesive Construction (1892)

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