File:The magnetization of cobalt as a function of the temperature and the determination of its intrinsic magnetic field (1911) (14590972730).jpg

Identifier: magnetizationofc00stif (find matches)
Title: The magnetization of cobalt as a function of the temperature and the determination of its intrinsic magnetic field
Year: 1911 (1910s)
Authors: Stifler, William Warren, 1883-1954
Subjects: Cobalt Cobalt Magnetic induction Cobalt Magnetic fields Theses
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Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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- 2£ - piece was obtained from which it was possible to turn an ellipsoid. After considerable practice it was found possible toprepare the material by melting it in a fused silica tube held inan arc* Owing to the impossibility of securing anything like uni-form heating over even a short distance, it was only with great dif-ficulty that two or three rods approximately 0.5 cm. in diameterand 1.0 cm. to 1.2 cm. long were obtained by this method. The ellipsoids were ground from the rods on a LandisUniversal Grinder, using an alundum wheel with a properly shapedrim. After the grinding, the accuracy of the shape was tested andfound to be satisfactory by projecting the enlarged shadow of theellipsoids with an Edinger Drawing Apparatus. In all, five ellipsoids of revolution, approximately 1 cm.long and 0.45 cm. in diameter , were prepared. Complete sets ofdata, however, were carried out for only two. The ellipsoidswere distinguished for convenience as A, B, C, D, and E. Themethod of preparin

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