Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 844
el ingots, re-sulted in the invention by Mr. J. B. DA. Boulton, of Jersey City, N. J., of an apparatus inwhich ingot molds made vvithout bottom, but in other respects like the common ingot molds, STEEL, MANUFACTURE OF. 813 are superposed, one upon another, and successively filled, the shrinkage in… … has been shown to be perfectly sound. Jiy interposing an asbestos washer with a small aper-ture between the successive mold sections, the resulting product was necked at intervals,so that the ingot bar could be readily broken at such points. Boultons apparatus has beenin commercial operation at the…
Mechanical engineering
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