Now we come to what I consider the “fun” part of this article: Granville Woods’ inventions and patents. There are some who say that the number of patents Woods obtained is at least 60, may be even ...
In the 1880s Heinrich Hertz discovered that a spark jumping between two pieces of metal emits a flash of light—rapidly oscillating electromagnetic waves—which can be picked up by an antenna. To honor ...
A system that did not begin with the word 'hobby'Today, there is no sense of discomfort in calling amateur radio a ...
"Wireless telegraphy and wireless telephony shall be under the jurisdiction of the Government." And Article 2 stated that in ...
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It was the year 1910. For the first time in the history of criminal investigation wireless telegraphy was used to catch fleeing killer Hawley Harvey Crippen and his mistress, Ethel Le Neve, the main ...
A VERY large number of books on radio telegraphy and radio telephony have recently been published. Many are of little use to the general scientific reader because they are too elementary; others fail ...
WHY Mr. Beechy should wish to depart from ordinary usage and call his book electro-telegraphy rather than electric telegraphy, we have no idea. The assumption of an eccentric title for a scientific ...
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