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Books Books 1 - 10 of 10 on When wound in the form of a spiral it is as springy and elastic when at the most....
" When wound in the form of a spiral it is as springy and elastic when at the most dazzling incandescence as when cold, and cannot be annealed by any process now commonly known. " For the cause of this shrinking and cracking of the wire is due entirely... "
Thomas Alva Edison: Sixty Years of an Inventor's Life - Page 130
by Francis Arthur Jones - 1908 - 362 pages
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Proceedings of the American Association for the Advancement ..., Volumes 27-28

1879
...cracking of the wire is due entirely to the expansion of the air in the mechanical and physical pores of platinum, and the contraction upon the escape of the...homogeneous and no air spaces exist. With platinum or any r metal, the air spaces niay be eliminated and the metal made homogeneous by a very simple process....
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American Journal of Dental Science, Volume 13

Dentistry - 1880
...consumed, a metal which, although originally soft and pliable, becomes as homogeneous as glass and as rigid as steel. When wound in the form of a spiral...be compared to sandstone in which the whole is made of a great number of particles with many air spaces. The sandstone upon melting becomes homogeneous...
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Electric light, its production and use. Ed. by F.C. Webb

Frederick Charles Webb - 1880
...consumed ; a metal which, although originally soft and pliable, becomes as homogeneous as glass and as rigid as steel. When wound in the form of a spiral,...compared to sandstone, in which the whole is made of a great number of particles with many air spaces. The sandstone upon melting becomes homogeneous,...
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Electric Light, Its Production and Use

Electric lighting - 1880 - 290 pages
...consumed ; a metal which, although originally soft and pliable, becomes as homogeneous as glass and as rigid as steel. When wound in the form of a spiral,...compared to sandstone, in which the whole is made of a great number of particles with many air spaces. The sandstone upon melting becomes homogeneous,...
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Proceedings of the American Association for the Advancement of Science

American Association for the Advancement of Science - Science - 1880
...cracking of the wire is due entirely to the expansion of the air in the mechanical and physical pores of platinum, and the contraction upon the escape of the...The sandstone upon melting becomes homogeneous and uo air spaces exist. With platinum or any metal, the air spaces may be eliminated and the metal made...
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Summarized Proceedings and a Directory of Members, Volume 28

Science - 1880
...cracking of the wire is due entirely to the expansion of the air in the mechanical and physical pores of platinum, and the contraction upon the escape of the...The sandstone upon melting becomes homogeneous and uo air spaces exist. With platinum or any metal, the air spaces may be eliminated and the metal madehomogeneous...
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Summarized Proceedings and a Directory of Members, Volume 28

Science - 1880
...cracking of the wire is due entirely to the expansion of the air in the mechanical and physical pores of platinum, and the contraction upon the escape of the...whole is made up of a great number of particles with man}7 air spaces. The sandstone upon melting becomes homogeneous and no air spaces exist. With platinum...
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English Mechanic and World of Science: With which are ..., Volume 30

Industrial arts - 1880
...of the wire is due entire!}' to the expansion of the air in the mechanical and physical pores of tho platinum, and the contraction upon the escape of the...air. Platinum as sold in commerce may be compared to sandatone in which the whole is made of a great number of particles with many airspaces. The sandstone...
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Summarized Proceedings and a Directory of Members, Volume 28

Science - 1880
...uracking of the wire is due entirely to the expansion of the air in the mechanical and physical pores of platinum, and the contraction upon the escape of the air. Platinum, as sold in commerce, may In1 compared to sandstone, in which the whole is made up of a gicul, number of particles with many...
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Journal of the Franklin Institute

Electronic journals - 1879
...con•sumed ; a metal which, although originally soft and pliable, becomes as homogeneous as glass and as rigid as steel. When wound in the form of a spiral...compared to sandstone, in which the whole is made of a great number of particles with many air spaces. The sandstone upon melting becomes homogeneous...
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