Heroes of the Telegraph, by John Munro
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Heroes of the Telegraph, by John Munro
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"[...]found in the yellow stone he had polished the mysterious power of collecting dust. A Greek legend tells us that the lodestone was discovered by Magnes, a shepherd who found his crook attracted by the rock. However this may be, we are told that Thales of Miletus attributed the attractive properties of the amber and the lodestone to a soul within them. The name Electricity is derived from ELEKTRON, the Greek for amber, and Magnetism from Magnes, the name of the shepherd, or, more likely, from the city of Magnesia, in Lydia, where the stone occurred. These properties of amber and lodestone appear to have been widely known. The Persian name for amber is KAHRUBA, attractor of straws, and that for lodestone AHANG-RUBA attractor of iron. In the old Persian romance, THE LOVES OF MAJNOON AND LEILA, the lover sings— 'She was as amber, and I but as straw: She touched me, and I shall ever cling to her.' The Chinese philosopher, Kuopho, who flourished in the fourth century, writes that, 'the attraction of a magnet for iron is like that of amber for the smallest grain of mustard seed. It is like a breath of wind which mysteriously penetrates [...]".
Heroes of the Telegraph, by John Munro- Published on: 2015-03-04
- Original language: English
- Number of items: 1
- Dimensions: 9.00" h x .46" w x 6.00" l, .51 pounds
- Binding: Paperback
- 204 pages
About the Author John Munro is the author/editor of 17 books, including the multi-volume, best-selling memoirs of John Diefenbaker and Lester Pearson.
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Most helpful customer reviews
4 of 6 people found the following review helpful. Very good history, but has some technical issues By Randy Rathbun This book was published around 1891. It is a pretty good treatment on the folks who helped bring us the telegraph.I did find some inaccuracies though. For instance, the author wrote that the speed of light is 288,000 miles per second. This is, of course, false - it is 288,000 kilometers per second.
0 of 0 people found the following review helpful. The History of the Telegraph and Its Uses By E. Mason Unfortunately, I only downloaded this book believing it to be a Western with a bit of Historical Facts thrown in. I was utterly fooled. This book is a very detailed history of the Telegraph, it's inventors, it's uses, and anyone who had a hand in its development. I would only recommend this book to anyone who truly wishes to know about the Telegraph' s place in History. Otherwise, it is rather dry book of facts.
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