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Knight's Mechanical Encyclopedia (ed. Knight) 2 2 Browse Search
Cambridge History of American Literature: volume 2 (ed. Trent, William Peterfield, 1862-1939., Erskine, John, 1879-1951., Sherman, Stuart Pratt, 1881-1926., Van Doren, Carl, 1885-1950.) 1 1 Browse Search
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Knight's Mechanical Encyclopedia (ed. Knight), M. (search)
te, about 1300, refers to the needle which points to the star. Marco Polo, the great traveler, was in the service of Kublai Khan, the conqueror of China, from 1274 to 1291, and was concerned in the introduction of the compass from China to Europe direct. It had previously arrived by the good old channel, India and Arabia; but Marco Polo did not know that, and his services can hardly be exaggerated. The Arabs sailed by the compass during the Khalifate of Cordova, which lasted till A. D. 1237, when it was subdued by the Moors. An authority states that it was known in Norway previous to 1266. Dr. Gilbert, physician to Queen Elizabeth, states that P. Venutus brought a compass direct from China in 1260. See Klaproth's work on this subject, Paris, 1834; Sir Snow Harris's Rudimentary magnetism ; the researches of Biot, Stanislaus Julien, etc. About 1320, Flavio Gioja, a pilot of Positano, not far from Amalfi in the Kingdom of Naples, was instrumental in the improvement of the
Knight's Mechanical Encyclopedia (ed. Knight), P. (search)
8. (Hydraulics.) A branch pipe b leading from the main below the pavement and terminating at a point readily reached for the attachment of hose. This pipe is closed by a cap or plug, which is removed by a spanner when the hose is to be attached by its coupling to the thread on the pipe. A stopcock on the branch pipe is reached by a turn-key introduced at an opening in the pavement. Fire-plugs were first laid down in London in 1710. London was first supplied with water by leaden pipes in 1237. The water was brought from the Springs of Tyburn, a district long since included in the city, — not the city proper, but the metropolis as outsiders understand it. In 1613 Sir Hugh Middleton finished his aqueduct from Ware to London. This is yet called the New River, and discharges into a reservoir at Islington, a northern suburb of London. The water was distributed by wooden mains and lead-pipe branches. Water-carriers still plied their trade in the reign of Queen Anne, supplying househ
Cambridge History of American Literature: volume 2 (ed. Trent, William Peterfield, 1862-1939., Erskine, John, 1879-1951., Sherman, Stuart Pratt, 1881-1926., Van Doren, Carl, 1885-1950.), Chapter 18: Prescott and Motley (search)
he pitiless printed page, and to read handwriting was forbidden to Prescott. Feeling the need of meeting his copy face to face, he had four copies printed in large type on one side of the page. Then he was able to go over the whole, little by little, with his own sight. Submitted to the criticism of various friends, the book excited only delighted approval and stimulating comment, encouraging the author to have 1250 copies printed at his own expense by the American Stationers' Company (1836-37). Such a success America had never before seen or heard of. The edition was exhausted in five weeks. It was not surprising that the American reviews were favourable. There was no one capable of passing upon the sources. That the style was easy and the story illuminating was sufficient to make people gratefully acknowledge the introduction to Spanish history at a moment when Spanish eyes were turned anxiously towards the west. But in England there were at least two scholars who knew the subj