. Cassier's magazine . FIG. 4. IZOD S MACHINE FOR TRANSVERSE TESTING ergy absorbed in breaking the speci-men can be found. SEATON AND JUDEs MACHINE This machine differs from those al-ready considered, in that the speci-men is not broken at the first blow,but by a succession of blows appliedfirst on one side and then on theother. A tup, weighing 7 pounds, is re-peatedly raised and allowed to fallthrough a height of 2 feet on to thecentre of a notched specimen 4 incheslong by Yz inch square, supported ona 3-inch span. After each blow thespecimen is turned over until fractureoccurs. The number of
. Cassier's magazine . FIG. 4. IZOD S MACHINE FOR TRANSVERSE TESTING ergy absorbed in breaking the speci-men can be found. SEATON AND JUDEs MACHINE This machine differs from those al-ready considered, in that the speci-men is not broken at the first blow,but by a succession of blows appliedfirst on one side and then on theother. A tup, weighing 7 pounds, is re-peatedly raised and allowed to fallthrough a height of 2 feet on to thecentre of a notched specimen 4 incheslong by Yz inch square, supported ona 3-inch span. After each blow thespecimen is turned over until fractureoccurs. The number of blows re-quired to break it is taken as a meas-ure of the ability of the material towithstand shock. AN IMPROVED FORM of this type of machine, designed i6o CASSIERS MAGAZINE. Section onXY
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyork, booksubjec
