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 ...

Throwing and catching a ball is a familiar activity. But if the ball is replaced with something as tiny as a single molecule, is this task still possible? Can a single molecule be transferred to a ...

Appendices (p. [655]-685): I. Wireless telegraphy act of 1904. II. Bibliography of electric wave telegraphy. III. British patent specifications for improvements in electric wave telegraphy between ...

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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