and 1878 ) have thrown much light on the subject , and are of practical vahie in regard to forging , under a pressure or squeeze , instead of by a blow . M . Tresea applied the expression , “ the flow of solids, ” to bis investigations , and the singulär facts which he established indicated that an… … Fio . i7 . pressure the jet reached 7 ' 87 inches , which is the position in the figure . An examination of the jet proved that the layers remained flat back from the
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