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Knight's Mechanical Encyclopedia (ed. Knight), C. (search)
was killed by the electric shock, and roasted by the electric jack, before a fire kindled by the electrified bottle. The latter was the Leyden jar, the invention of Muschenbroek and Kleist, three years previous. Franklin flew his kite in Philadelphia in 1752, and proved the substantial identity of lightning and frictional electricity. He then invented the lightning-rod for the harmless passage of the electricity. D'Alibard erected a lightning-rod in the same year. Richmann of St. Petersburg, the following year, in repeating Franklin's experiment, was killed by a stroke of lightning. Charles Marshall, in 1753, proposed insulated wires, suspended by poles, as electrical conductors for transmitting messages. Lesarge, in 1774, used twenty-four electrized wires and a pith-ball electrometer as a mode of signaling. Lomond, in 1787, used one wire and a pith-ball. Reizen, in 1794, had twenty-six line wires and letters in tin-foil which were rendered visible by electricity.
Knight's Mechanical Encyclopedia (ed. Knight), I. (search)
ean draft of 23 feet 9 inches. The plates on the ship's sides and on the raised building amidships vary from 12 to 14 inches, and the armor-plate protects the ship to a depth of 6 feet below the water-line. The vessel has no spur, but the upright stem is heavily plated and of enormous strength. The ship has two large turrets, which are plated with 16 inches of iron in two thicknesses of 14 and 2 inches. She has no masts, bat depends entirely on her compound engines, which were built at St. Petersburg. Each engine is of 700 horse-power, and connected with 2 four-bladed screws. There are 12 boilers, which will require at full speed 132 tons of coal in 24 hours; and at this rate of consumption the engines will work at 10,000 effective horse-power, and the ship will be driven at 14 1/2 knots speed per hour. If the engines are worked at the second grade of expansion, she will have coal for 17 days, steaming 12 1/2 to 13 knots per hour. With the single exception of the teak-wood back
Knight's Mechanical Encyclopedia (ed. Knight), P. (search)
inaitic, the Vatican, and the Alexandrian, many of whose various readings are given by Tischendorf in his Leipsic edition of the English New Testament. The Sinaitic manuscript, critically marked Aleph, written on parchment, was discovered by Tischendorf, February 4, 1859, in the convent of St. Catharine, on Mount Sinai, in Arabia, and published by him in fac-simile in 1862, and in the common type in 1865. It contains the entire New Testament, and is deposited in the Imperial Library at St. Petersburg. It was printed in Leipsic for the Emperor of Russia, to be a memorial of the thousandth anniversary of his king- dom. It is in uncial characters, apparently of the fourth century. The Vatican manuscript, marked B, also written about the middle of the fourth century, has been published only since 1857. It is in the Vatican Library at Rome. The Alexandrian manuscript, marked A, written about the middle of the fifth century, was first published in 1786. It is in the British Museum, a
Knight's Mechanical Encyclopedia (ed. Knight), S. (search)
Rogers, of New London, Conn., was employed to navigate the vessel. Under his command the Savannah, having been duly equipped with engine and machinery steamed out of New York Harbor on the 27th day of March, 1819, bound to Savannah on her trial trip, which was successfully made. On the 26th of May in the same year she left Savannah for Liverpool, making the trip in 22 days, during 18 of which she was propelled by steam-power From Liverpool the Savannah went to Copenhagen, Stockholm, St. Petersburg, Cronstadt, and Arundel, and from the latter port returned to Savannah, making the passage in 25 days. The log-book of the Savannah was sent to the Navy Department in 1848. Captain Stevens Rogers died in New London in 1868. The Savannah was built by Crocker and Ficket in New York, and her engines made at Elizabethtown, N. J. In 1824, the Enterprize, under Captain Johnson, made a voyage to India, doubling the Cape of Good Hope. The Curacoa, in 1829, made several voyages between