Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 494
. It is particularly well adapted WHY DESIRABLE 431 for silos, as here illustrated.1 All this expansion of an old arthas been stimulated by a steady reduction in the price of Port-land cement, and by constant improvement in its quality. As themanufacture has expanded, its standards have risen, its… … l^^fegj^ Concrete silo foundation, Bricelyn, Minn. advanced, adding a new reason for building in concrete, since itrequires in execution but little skilled labor. The good points ofconcrete are manifold; it forms a strong, fire-resisting, and damp-proof structure. For mills and factories another…
Inventions · Inventors
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