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قراءة كتاب Boys' Second Book of Inventions
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BOYS' SECOND BOOK
OF INVENTIONS
BY RAY STANNARD BAKER
Author of
Boys' Book of Inventions, Seen in
Germany
FULLY ILLUSTRATED
NEW YORK
DOUBLEDAY, PAGE & COMPANY
MCMIX
Copyright, 1903, by
McCLURE, PHILLIPS & CO.
Published, November, 1903, N
TABLE OF CONTENTS
| CHAPTER I | ||
| PAGE | ||
| The Miracle of Radium | 3 | |
| Story of the Marvels and Dangers of the New Element Discovered by Professor and Madame Curie. |
||
| CHAPTER II | ||
| Flying Machines | 27 | |
| Santos-Dumont's Steerable Balloons. | ||
| CHAPTER III | ||
| The Earthquake Measurer | 79 | |
| Professor John Milne's Seismograph. | ||
| CHAPTER IV | ||
| Electrical Furnaces | 113 | |
| How the Hottest Heat is Produced—Making Diamonds. | ||
| CHAPTER V | ||
| Harnessing the Sun | 153 | |
| The Solar Motor. | ||
| CHAPTER VI | ||
| The Inventor and the Food Problem | 173 | |
| Fixing of Nitrogen—Experiments of Professor Nobbe. | ||
| CHAPTER VII | ||
| Marconi and his Great Achievements | 207 | |
| New Experiments in Wireless Telegraphy. | ||
| CHAPTER VIII | ||
| Sea-Builders | 255 | |
| The Story of Lighthouse Building—Stone-Tower Lighthouses, Iron Pile Lighthouses, and Steel Cylinder Lighthouses. |
||
| CHAPTER IX | ||
| The Newest Electric Light | 293 | |
| Peter Cooper Hewitt and his Three Great Inventions — The Mercury Arc Light—The New Electrical Converter—The Hewitt Interrupter. |
||
LIST OF ILLUSTRATIONS
| Page | |
| Guglielmo Marconi Frontispiece | |
| M. Curie Explaining the Wonders of Radium at the Sorbonne |
5 |
| Dr. Danlos Treating a Lupus Patient with Radium at the St. Louis Hospital, Paris |
13 |
| Radium as a Test for Real Diamonds | 19 |
| At the approach of Radium pure gems are thrown into great brilliancy, while imitations remain dull. |
|
| M. and Mme. Curie Finishing the Preparation of some Radium |
25 |
| M. Alberto Santos-Dumont | 29 |
| Severo's Balloon, the "Pax," which on its First Ascent at a Height of about 2,000 feet, Burst and Exploded, Sending to a Terrible Death both M. Severo and his Assistant |
33 |
| The Trial of Count Zeppelin's Air-Ship, July 2, 1900 | 37 |
| M. Santos-Dumont at Nineteen | 41 |
| M. Santos-Dumont's First Balloon (Spherical) | 43 |
| M. Santos-Dumont's Workshop | 45 |