Telephony
Author:
Publisher:
Published: 1901
Total Pages: 308
ISBN-13:
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Author: Lewis Coe
Publisher: McFarland
Published: 2006-01-17
Total Pages: 240
ISBN-13: 0786426098
DOWNLOAD EBOOKOn March 7, 1876, the U.S. Patent Office issued to a young inventor named Alexander Graham Bell what is arguably the most valuable patent ever: entitled "improvements in telegraphy," in truth it secured for Bell the basic principles involved in a telephone. On the same day that Bell filed his patent application, a caveat (a preliminary patent document) was filed by Elisha Gray. This coincidence sparked the first of many debates over whether Bell was the true inventor of the telephone. In the early 1860s Johann Phillipp Reis developed a version of the instrument, but his claims against Bell were hampered by the bungling of his lawyers in demonstrating his instrument in court. This work is a first look at the many men who developed the telephone and an examination of their claims against Bell's patent. A lay description of the phone is also provided, as well as a history of the development of the telephone system.
Author:
Publisher:
Published: 1906
Total Pages: 1764
ISBN-13:
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Publisher:
Published: 1906
Total Pages: 1770
ISBN-13:
DOWNLOAD EBOOKAuthor: J. A. Williams
Publisher:
Published: 1902
Total Pages: 192
ISBN-13:
DOWNLOAD EBOOKAuthor:
Publisher:
Published: 1904
Total Pages: 346
ISBN-13:
DOWNLOAD EBOOKVols. 1-2 include a "Syntopical index to current electrical literature".
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Publisher:
Published:
Total Pages: 1120
ISBN-13:
DOWNLOAD EBOOKAuthor: Indiana. Supreme Court
Publisher:
Published: 1886
Total Pages: 678
ISBN-13:
DOWNLOAD EBOOK"With tables of the cases and principal matters" (varies).