Stories of Inventors

Stories of Inventors
The Adventures of Inventors and Engineers; True Incidents and Personal Experiences

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Stories of Inventors by Russell Doubleday

Published:

1904

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Stories of Inventors
The Adventures of Inventors and Engineers; True Incidents and Personal Experiences

By

0
(0 Reviews)
How Guglielmo Marconi telegraphs without wires.—Santos-Dumont and his air-ship.—How a fast train is run.—How automobiles work.—The fastest steamboats. —The life-savers and their apparatus.—Moving pictures; some strange subjects and how they were taken.—Bridge builders and some of their achievements.—Submarines in war and peace.—Long-distance telephony; what happens when you talk into a telephone receiver.—A machine that thinks; a type-setting machine that makes mathematical calculations.—How heat produces cold; artificial ice-making.

Book Excerpt

uming, and yet possessing Jove's power of sending thunderbolts, came to London (in 1896), to upbuild and link nation to nation more closely. With his successful experiments behind him, Marconi was well received in England, and began his further work with all the encouragement possible. Then followed a series of tests that were fairly bewildering. Messages were sent through brick walls--through houses, indeed--over long stretches of plain, and even through hills, proving beyond a doubt that the etheric electric waves penetrated everything. For a long time Marconi used modifications of the tin boxes which were a feature of his early trials, but later balloons covered with tin-foil, and then a kite six feet high, covered with thin metallic sheets, was used, the wire leading down to the sending and receiving instruments running down the cord. With the kite, signals were sent eight miles by the middle of 1897. Marconi was working on the theory that the higher the transmitting and receiving "capacity," as it was th

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