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 my past two Cannonball blog posts, we learned about railroad ticket agent Joseph Leib, conductor John Eckert, and telegrapher Daniel Trone and their efforts to escape from Hanover and Hanover ...

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 ...

Last week I began this discussion of Civil War infrastructure in Arkansas with a look at roads, railroads, bridges, and manufacturing of war material. The story continues with a look at telegraphy, ...

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 ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

With his newly created Tesla coils, the inventor soon discovered that he could transmit and receive powerful radio signals when they were tuned to resonate at the same frequency. When a coil is tuned ...

Father wouldn`t give me permission to go into the services but my mother, who was of an understanding disposition, signed the form for the Wrens without his knowing; he gave in gracefully when my ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the full text of this article in its ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the full text of this article in its ...