Word: telegraph
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Dates: during 1970-1979
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Another reason for the decline in writing quality is the "loss of occasions for writing," Riesman said, adding that because of the telegraph and the telephone people do not write letters often...
Helms appeared before a federal grand jury in Washington last November to testify on the role of the International Telephone and Telegraph Company (ITT) in the CIA's attempt to prevent Allende's inauguration as president...
...When a switch is open, it corresponds to the binary digit 0; when it is closed, it stands for the digit 1. Indeed, the first modern digital computer completed by Bell Labs scientists in 1939 employed electromechanical switches called relays, which opened and closed like an old-fashioned Morse telegraph key. Vacuum tubes and transistors can also be used as switching devices and can be turned off and on at a much faster pace...
Thomas Alva Edison is placed apart from the mainstream of history. He invented the light bulb and the phonograph, improved the telegraph, telephone and movie projector, and developed a system for distributing electrical power to homes and businesses over broad areas. But most who survey American history view Edison as an eccentric anomaly, and leave his life and work to the historians of wizardry or of science. Conventional histories deal with technological development as though it were an independent force, growing without any influence from the men who in fact produced it. But to ignore an inventor as part...
...easy to categorically state that money was the prime motivating factor driving men to create machines that would link the fate of each part of the country to that of the whole--the original railroad, the telegraph, the telephone and all their updated versions. Edison, certainly, was driven by a cause larger than money. He was an experimenter of prodigious energy, diving headlong into every problem that presented itself. He worked so hard at inventing that he rarely had time to spend the money he made, except on lab equipment or perhaps a new house. For Edison, money was simply...