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Document Max. Freq Min. Freq
Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register 111 111 Browse Search
Harper's Encyclopedia of United States History (ed. Benson Lossing) 29 29 Browse Search
George Bancroft, History of the Colonization of the United States, Vol. 1, 17th edition. 14 14 Browse Search
George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 3, 15th edition. 10 10 Browse Search
George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 2, 17th edition. 6 6 Browse Search
Knight's Mechanical Encyclopedia (ed. Knight) 5 5 Browse Search
Benjamin Cutter, William R. Cutter, History of the town of Arlington, Massachusetts, ormerly the second precinct in Cambridge, or District of Menotomy, afterward the town of West Cambridge. 1635-1879 with a genealogical register of the inhabitants of the precinct. 5 5 Browse Search
HISTORY OF THE TOWN OF MEDFORD, Middlesex County, Massachusetts, FROM ITS FIRST SETTLEMENT, IN 1630, TO THE PRESENT TIME, 1855. (ed. Charles Brooks) 5 5 Browse Search
Charles A. Nelson , A. M., Waltham, past, present and its industries, with an historical sketch of Watertown from its settlement in 1630 to the incorporation of Waltham, January 15, 1739. 3 3 Browse Search
Thomas Wentworth Higginson, Henry Walcott Boynton, Reader's History of American Literature 2 2 Browse Search
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Browsing named entities in Knight's Mechanical Encyclopedia (ed. Knight). You can also browse the collection for 1642 AD or search for 1642 AD in all documents.

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Knight's Mechanical Encyclopedia (ed. Knight), D. (search)
by affording a reservoir of air to which they may resort whenever they require to take breath. A hollow metallic vessel was let down evenly to the surface of the water and carried down the air it contained. It stood upon three feet like a tripod, which were in length somewhat less than the hight of a man, so that the diver, when he was no longer able to contain his breath, could put his head into the vessel, and, having breathed, return again to his work. The next use of the bell was in 1642, in America, when Bedall of Boston used submerged weighted tubs, in which he descended to the Mary rose, which had sunk the previous year. The lifting-arrangements were completed by means of the diving-bell, and the loaded vessel transported to shoal water and recovered. In the year 1687, the sum of pound 300,000 was recovered by a diving-bell, at a depth of 7 fathoms, from a Spanish ship which had been wrecked near the Bermudas. The bell was the invention of William Phipps, an American
Knight's Mechanical Encyclopedia (ed. Knight), L. (search)
y distinct, with a considerable extent of view. He afterward added two more glasses, which reversed the image and brought it to the natural position. Rheita was the first to employ the combination of three lenses, the terrestrial telescope. Suellius of Leyden, Descartes (1596 – 1650), and Leibnitz (1646 – 1716) stated the doctrine of refraction more or less fully; and Grimaldi, an Italian painter, demonstrated the ellipticity of the sun's image after refraction through a prism; Newton (1642 – 1727) determined that it was owing to the difference in the refrangibility of the respective portions of the rays. Newton supposed that refraction and dispersion were indissolubly united, but Dollond demonstrated that by using two different kinds of glass he could abolish the color, and yet leave a residue of refraction. Refraction has reference to the deflection of the ray, dispersion to the diverging of the components of the ray, incident to the different refrangibility of the parts<
Knight's Mechanical Encyclopedia (ed. Knight), R. (search)
ron cylinders inserted beneath the vessel. The charges were ignited by electricity, and the portions of the wreck removed piecemeal. 2. Another mode is by slinging a vessel to lighters, which are raised by the tide, and the vessel transported to shoaler waters. The slings are shortened during the next tide, and the process repeated. One of the earliest accounts of raising sunken vessels is that given of the raising of the Mary rose, by Edward Bedall of Boston, Colony of Massachusetts, 1642. She had been sunk in the previous year, and the diving-bell seems to have been used in adjusting the slings by which she was raised and transported to shoal water, where the hull, lading, and guns were recovered. The steamer Erie, burnt and sunk in Lake Erie in 1854, was raised by Colonel Gowan by means of chain falls working from two open-trussed frames supported upon hulks on either side. This gentleman, under a contract with the Russian government afterward, between 1857 and 1862,
Knight's Mechanical Encyclopedia (ed. Knight), S. (search)
and became a subject for painters and dramatists. Finally, grave writers on mechanics and compilers of dictionaries inserted the name of De Caus as the inventor of the steam-engine. The authority for all was a letter, purporting to have been written in 1641 by Marion de Lorme to her lover, Cinq Mars. Mr. Muirhead, in his life of Watt, might exclaim, See how plain a tale shall put thee down! There was, says he, no Marquis of Worcester in 1641. The title of Marquis was not conferred till 1642, and then upon Henry Somerset, the father of the Marquis, the author of The century of inventions, and the person who was doing the mad-house. A French historian farther cites that Solomon De Caus could hardly have been seen at Bicetre in 1641 in a raving condition, as he died in 1630; and farther, that Bicetre was not a hospital in 1630 or 1641. At all events, the device of De Caus' fountain is inferior to that of Porta, as the boiler and water-chamber are not distinct in the former.
Knight's Mechanical Encyclopedia (ed. Knight), W. (search)
Stereotype or electrotype impressions are obtained from wood by the usual process of molding in plaster of Paris and subsequent casting, or brushing with graphite and electro deposit. Woodcuts have also been multiplied by molding with warm gutta-percha, and then taking a cast of the same gum, to be used as a woodcut in the printing-press. Wood′en leg. Inepte, frustra crure lingneo curres. — Martial, X. c. 6. See leg, artificial. Wood′en Pave′ment. See pavement, pages 1639-1642, and Plate XXXVIII. The experience of American cities which have used woodpavement goes to show that some system of preservation is necessary to secure a durable wood-pavement. If the question of wood-preservation is not finally and perfectly solved, it must be admitted that the methods now in use show a decided progress in that direction. The respective efforts tend to neutralize the external influences of water, air, and heat, by. First. A more or less complete removal of the wa