 | Edwin Hurry Fenwick - 1888 - 216 pages
...placed in a sealed glass bulb, exhausted to one millionth of an atmosphere, offers from 100 to 500 ohms resistance to the passage of the current, and that it is absolutely stable at a very high temperature ; that if the thread be coiled as a spiral and carbonised, or if any fibrous... | |
 | United States. Patent Office - Copyright - 1890 - 784 pages
...cotton thread properly carbonized and placed in a sealed glass bulb exhausted to onemillionth of au atmosphere offers from one hundred to five hundred ohms resistance to the passage of the cnrrent, and that it is absolutely stable at very high tempera, tures ; that if the thread be coiled... | |
 | United States. Patent Office - Copyright - 1893 - 820 pages
...practice. I have discovered that even a cotton . thread properly carbonized and placed in a sealed glass bulb exhausted to one-millionth of an atmosphere...current, and that it is absolutely stable at very high temperatures. * * • [Here follow further statements as to other carbon substances aulfl their manipulation.]... | |
 | James Roberts (Barrister-at-law) - Patent laws and legislation - 1903 - 780 pages
...this practice. 1 have discovered that even a cotton thread properly carbonized and placed in a sealed glass bulb exhausted to onemillionth of an atmosphere...current, and that it is absolutely stable at very high temperatures ; that if the thread be coiled as a spiral and carbonized, or if any fibrous vegetable... | |
 | Francis Arthur Jones - Biography & Autobiography - 1907 - 434 pages
...exhausted to one millionth of an atmosphere, offers from one hundred to five ILLUMINATION OF MENLO PARK 117 hundred ohms resistance to the passage of the current, and that it is absolutely stable at very high temperatures ; that if the thread be coiled as a spiral and carbonised, or if any fibrous vegetable... | |
 | Francis Arthur Jones - Inventors - 1908 - 446 pages
...even a cotton thread properly carbonized and placed in a sealed glass bulb exhausted to one millionth of an atmosphere, offers from one hundred to five...current, and that it is absolutely stable at very high temperatures; that if the thread be coiled as a spiral and carbonized, or if any fibrous vegetable... | |
 | Francis Arthur Jones - Electrical engineers - 1924 - 456 pages
...even a cotton thread properly carbonized and placed in a sealed glass bulb exhausted to one millionth of an atmosphere, offers from one hundred to five...current, and that it is absolutely stable at very high temperatures; that if the thread be coiled as a spiral and carbonized, or if any fibrous vegetable... | |
 | Frank Keiper - Patent laws and legislation - 1924 - 166 pages
...to one-millionth of an atmosphere offers from one hundred to fire hundred ohms resistance to the 70 passage of the current, and that it is absolutely Stable at very high temperatures; that if the thread be coiled as a spiral and carbonized, or if any fibrous vegetable... | |
 | United States. Congress. House. Government Operations - 1966 - 76 pages
...this practice. I have discovered that even a cotton thread properly carbonised and placed in a sealed glass bulb exhausted to one-millionth of an atmosphere...one hundred to five hundred ohms resistance to the 70 passage of the current, and that it toabsolutely stable at very high temperatures; that if the thread... | |
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I have discovered that even a cotton thread properly carbonized and placed in a sealed glass bulb exhausted to one millionth of an atmosphere offers from one hundred to five hundred ohms... 
