The Edison Effect
The Edison Effect
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In our eReader you can find the full English version of the book. Read The Edison Effect Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Edison Effect
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He appreciated the necessity for vastly improving the vacuum of DeForest's tube, and this he was able to do after having obtained a superior vacuum pump from Europe.
The DeForest audion with which Arnold started was valuable as a detector and amplifier of feeble radio currents. It was, however, incapable of satisfactorily amplifying the feeble but much larger currents of wire telephony.
Arnold, who was one of the earliest scientific workers in ther- mionics, realized that to improve DeForest's ...tube he must produce a pure thermionic effect, free of gas complications. In this connec- tion, he recognized the existence and importance of the space charge effect of electrons in the vacuum tube and the necessity for the cal- culation of the magnitude of this effect and of the methods for its adaptation to commercial purposes.
As a result of Arnold's work on his vacuum tube, together with the results of research which had to be conducted in more than 100 other particulars, long-distance telephone service was extended from New York to Denver late in 1914, and soon after that long-distance telephony was extended from New York to San Francisco.
What to read after The Edison Effect?
You can find similar books in the "Read Also" column, or choose other free books by Harold Gardiner Bowen to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
He appreciated the necessity for vastly improving the vacuum of DeForest's tube, and this he was able to do after having obtained a superior vacuum pump from Europe.
The DeForest audion with which Arnold started was valuable as a detector and amplifier of feeble radio currents. It was, however, incapable of satisfactorily amplifying the feeble but much larger currents of wire telephony.
Arnold, who was one of the earliest scientific workers in ther- mionics, realized that to improve DeForest's ...tube he must produce a pure thermionic effect, free of gas complications. In this connec- tion, he recognized the existence and importance of the space charge effect of electrons in the vacuum tube and the necessity for the cal- culation of the magnitude of this effect and of the methods for its adaptation to commercial purposes.
As a result of Arnold's work on his vacuum tube, together with the results of research which had to be conducted in more than 100 other particulars, long-distance telephone service was extended from New York to Denver late in 1914, and soon after that long-distance telephony was extended from New York to San Francisco.
What to read after The Edison Effect?
You can find similar books in the "Read Also" column, or choose other free books by Harold Gardiner Bowen to read onlineMoreLess
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