. Contributions. 14 UdubS ^ ^ 2Fig. FiR. 13. C. Conclusions. 1. An oscillographic method has been developed for plotting ;in\ kindof a magnetic cycle with an alternating current of 60 cycles pro\idf<leddy currents and end effects are negligible. The method is af)plicablewhen the flux variation is as small as 150 lines of induction and it maybe used for any cycle in which the tlux is ^reati-r than 2. It was shown that in a given specimen, for any value of residualmagnetism, there is a definite elastic limit which is the maximum fieldthat can be applied to the spe


. Contributions. 14 UdubS ^ ^ 2Fig. FiR. 13. C. Conclusions. 1. An oscillographic method has been developed for plotting ;in\ kindof a magnetic cycle with an alternating current of 60 cycles pro\idf<leddy currents and end effects are negligible. The method is af)plicablewhen the flux variation is as small as 150 lines of induction and it maybe used for any cycle in which the tlux is ^reati-r than 2. It was shown that in a given specimen, for any value of residualmagnetism, there is a definite elastic limit which is the maximum fieldthat can be applied to the specimen without pRnlucing ix-rmanentdemagnetization; and that if any field nf)t exceeding the limiting fieldbe applied and then removed, the specimen will return tf) its initialcondition. 3. Within the elastic limit, magnetic stress and strain are approxi-mately proportional, i. e., the demagnetization is approximately pro-portional to the field intensity that produces it, providctl the specimenreturns to its original remanence when the f


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Keywords: ., bookcentury1900, bookdecade1910, bookidcontribution, bookyear1915