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to its condensation would enable it to absorb more water, but still far less than would be sufficient to saturate it when it came to be heated by the furnace. Bennett's aero-steam engine. Bennett, United States Patent, August 3, 1838, introduced, or at least adopted, two new features: 1. He conducts the incoming charge of aller proportion of steam, partly as a motor and partly as a lubricator of the parts which are apt to grind, working in the hot, dry air. See Aero-steam engine. Bennett's air-heater and steam-generator. Bennett, August 3, 1838. This is a combined air-heater and steam-generator, the combustion being maintained under pressure.Bennett, August 3, 1838. This is a combined air-heater and steam-generator, the combustion being maintained under pressure. The air is forced in by a pump, and enters above and below the grates in quantities regulated by the dampers a, a, in the branches of the pipe B. Coal is introduced through the charger C above, without allowing any notable amount of air to escape. The upper valve c being withdrawn, a charge of coal is dropped on to the lower va
rel, etc.—Continued. No.Name.Date. 28,461W. H. ElliotMay 29, 1860. 33,332W. H. ElliotOct. 1, 1861. 39,032J. C. CampbellJune 30, 1863. 42,648W. H. ElliotMay 10, 1864. 43,606J. RupertusJuly 19, 1864. 51,752J. ReidDec. 26, 1865. 57,448J. H. VickersAug. 21, 1866. 57,622Converse and HopkinsAug. 28, 1866. 84,976F. WessonDec. 15, 1868. 2. Chambered Cylinder revolving on Vertical Axis behind a Barrel. 183J. W. CochranApr. 28. 1837. 188J. W. CochranApr. 29, 1837. 603Haviland and BennettFeb. 15, 1838. 677H. and C. DanielsApr. 5, 1838. 7,218H. IversonMar. 28, 1850. 2. Chambered Cylinder revolving on Vertical Axis behind a Barrd.—Continued. No.Name.Date. 12.235E. H. GrahamJan. 16, 1855. 14,780S. F. StantonApr. 29, 1856. 15,734E. H. GrahamSept. 16, 1856. 16,477H. GenhartJan. 27, 1857. 3. Cylinder revolving on Horizontal Axis behind a Barrel. 8.210P. W. PorterJuly 8, 1851. 10,944E. H. GrahamMay 16, 1854. 11,917W. WrightNov. 7, 1854. 4. Revolving Hamme
and when dry enough to be mixed with the other materials into an amalgam, it is put into a press, and with one blow compressed. Next day it is ready for use. Peat-burn′ing Furnace. Three furnaces adapted for this fuel as well as coal are Bennett's, Washburn's, and Stillman's, described under air-engine, page 39. Peat-cutter. Peat-cut′ter. An implement of the nature of a plow or excavator, used for paring peat from the upper surface of the stratum, for the purpose of treatmentinued. From eight to ten charges are made before any refettling is required, and these heats are worked in a day of ten hours. See puddling-furnace. Mechanical Puddlers. Griffith1865 McCarty1852 Berard1867 Harrison1854 Bloomhall1872 Bennett1864 Heatley1873 Gove1858 Dormoy1869 Riley1873 Danes1873 Sellers1873 Wood1870 Heatley1869 Revolving Puddlers. BeadlestoneDec. 9, 1857 HeatonAug. 13, 1867 AllenApr. 14, 1868 YatesFeb. 23, 1869 DanksNov. 24, 1868 DanksOct. 20, 1
. 60,241ReedDec. 4, 1866. 1. (a.) Shuttles reciprocate (continued). No.Name.Date. 62,287ReedFeb. 19, 1867. 62,999BennettMar. 19, 1867. 64,830BarclayMay 21, 1867. 68,009StebbensAug. 20, 1867. 68,835BosworthSept. 17, 1867. 71,131CadwellNov70. 103,609HawkinsMay 31, 1870. 25. Tension Devices. (continued). No.Name.Date. 103,643MooneyMay 31, 1870. 110,424BennettDec. 27, 1870. 113,027CrumbMar. 28, 1871. 115,756McCarthyJune 6, 1871. 117,644KimballAug. 1, 1871. 119,589EstabrookeO grate. A feed-apparatus adapted to furnaces in which the fuel is burnt under pressure is illustrated in air-engines, Bennett's patent, 1838. 4. The revolving-grate furnace was introduced in England by Steel, about 1818, and afterward improvehe heated gases from the fire is combined with that of the steam. Oliver Evans' voleanic engine was of this class. Bennett's also, U. S. patent, 1838. See Aero-steam engine, pages 20-23. Steam bell-ring′er. (Railroad-engineering.) A d<
-can′ic En′gine. The name applied by its inventor, Oliver Evans, to the aero-steam engine, in which the heated gases from the furnace are combined with the steam and are unitedly carried to the cylinder. Whether the idea of Mr. Evans proceeded beyond a mere project is not known to the writer. The distinguished inventor had a very original and practical turn of mind, qualities not always united in the same individual. An engine of this character was patented in the United States by Bennett in 1838, and was also secured by English patent. The furnace was inclosed in the boiler, and the fuel was burnt under pressure. The smoke and heated gases passed through the water, so as to prevent the passage of grit to the cylinder. See Aero-steam engine. Vol-i-cim′e-ter. A sea-way measurer, or selfregistering log, was invented by Smeaton. See velocimeter. Vol′ta-e-lec-trom′e-ter. An instrument for indicating the degree of electrical excitation. See electrometer; gal