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Problems in Divided Circuits
First Paragraph: | Ten years ago the wire chief of the Western Union Telegraph Company in Omaha asked the writer to solve the following problem: | “A current of 44 milliamperes comes over a telegraph line and is connected ...
The Tangent of 2X
First Paragraph | The object of this article is to show an interesting and practical application of one of the well-known formulas of trigonometry that appear to be so dry and valueless to the student who must memorize ...
Identification of Wires in a Cable
First Paragraph: | For telephone men and others who are accustomed to handle cables with hundreds of wires in them, their identification is mere child’s play, as it is done by the color or character of its insulation, its ...