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Knight's Mechanical Encyclopedia (ed. Knight) 22 0 Browse Search
James Parton, Horace Greeley, T. W. Higginson, J. S. C. Abbott, E. M. Hoppin, William Winter, Theodore Tilton, Fanny Fern, Grace Greenwood, Mrs. E. C. Stanton, Women of the age; being natives of the lives and deeds of the most prominent women of the present gentlemen 1 1 Browse Search
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Germany1561. Pillow-lace making taught at Gt. Marlow, England1626. Strutt's machine for making open work stockings1758. Crane's Vandyke machine1758. Else and Harvey's pin machine1770. Frost's point-net machine1777. Dawson's point-net machine1791. Heathcoat's bobbin-net machine1801. Hill's plain ground net machine1816. Lhe traverse warpBeran & Freeman's. The traverse warp, rotaryLindley & Lacey's. The straight boltKendal & Mauley's. The circular boltManley's. The circular combHarvey's. The improved circular combHerrey's. The farther improved single-tierLever's. Lace-pa′per. Paper having an openwork pattern and perforations made in refluent motion of the blood in the veins. Sylvius noticed the venal valves. Fabricius, of Acquapendente, noticed that they all opened towards the heart. William Harvey, born in 1578, studied at Cambridge, and under Fabricius at Paula, and made the discovery of the nature of the arterial and venal circulations, and the comple
ches diameter and 16 feet long each; pump connecting-rods f 8 inches diameter and 28 feet long each. The pump-barrels are 36 inches in diameter each, plungers 36 inches diameter, with stroke same as steam-piston, 10 feet. The extreme lift of the pumps, when the river is at its lowest stage, is 21 feet 10 inches. The pumps are connected with the standpipe by two lines of 40-inch flanged pipes, provided each with a stop-gate near the stand-pipe. The pump-valves h h are of the kind known as Harvey and West's double-beat valve. The pumps and pump-mains to the stand-pipe have a circular waterway of 40 inches diameter throughout, thus admitting the introduction of pump-barrels 40 inches in diameter, and increasing the present pump capacity 23 per cent whenever the consumption of water will demand a greater supply than at present provided for. The metal (cast-iron) of the pumps and pump-mains is from 2 to 3 inches in thickness, varying as the forms vary from the cylindrical to the ova
elain-clay, and graphite; withdrawn and dried; pack of ten plates heated to bright red and rolled; acid bath to remove scale; alkaline bath to develop color; water bath; dried; heated in a smoky oven to cover sur- face with carbon deposit, which becomes embodied in the iron; cooled; planished or rolled; tempered. No. 33,214, Riess, 3, 9, 1861 Rolled plates are dipped in a bath of chalk, porcelain-clay, and graphite; dried, packed, heated, rolled, and annealed. No. 33,844, McDaniel and Harvey, 3, 12, 1861. Vacuum pressure in the removal of acid liquor, and subsequent alkaline treatment. No. 34,294, Dixon, 4, 2, 1862. Rolled plates scaled by acid bath; washed with adhesive, or rye-water; swabbed at less than a red heat with an enamel composition; kept at that heat for ten hours in an oven; sheets placed in an annealing-box with interposed charcoal-dust, and heated; rolled in packs and annealed. No. 46,974, Pratt, 14, 2, 1865. Sheet-metal immersed in acid bath at a prescri
s early as 1800, water-power hammers, and, subsequently, stamps were employed. In 1842, Berendorf of Paris invented pressing-stamps, which were supplemented by Harvey and Debergue with a roller, which effected the same purpose by its being rolled back and forth over the leather. Fresh-slaughter hides are washed and scraped of the torpedo trials may be found in the Report of the Austrian Commission, 1868; Army and Navy journal, 1874; Revue maritime, September, 1872, January, 1873: Captain Harvey's Treatise on the management of the sea-torpedo, London, 1871; Sarrepont's Les Torpilles, etc. 2. (Military.) A mine or countermine to destroy a work, a t mandrel or internal support. Royl, 1831 (c i k o). Two grooved rollers, which received bent and heated skelp, and drew it out of the mouth of the furnace. Harvey and Brown, 1836 (c n o p). The mandrel was a short instrument, just in front of the rollers, so that the enlarged head came just beyond the pinch of the rollers.
on. Lever-valve.Water-check. Lock — up safety-valve.Water-closet valve. Long-slide valve.Water-gate. Main check valve.Wicket. Measuring-faucet. The heart is constructed upon the principles of hydraulics, and is furnished with a valve. Harvey deduced the circulation of the blood from Aquapendente's discovery of the valves in the veins. Servetus, who was burnt at Geneva, 1553, was engaged in the search, and came near anticipating the theory which Harvey completed in the following centHarvey completed in the following century. See Pulsometer, page 1825; Sphyg-Mometer, page 2265. Fig. 6893 is a caoutchouc pump-valve, which opens to allow water to pass upward as the bucket descends, and closes as the bucket rises. It may have been suggested by the mitral valve of the heart. Perreaux's pump-bucket valve. Valve–buck′et. (Hydraulics.) A bucket provided with a valve; the bucket or sucker of a pump. In A, the valve c slides upon the bucket-rod, its upward movement being limited by the stop c; b is a
to have tried other hydrocarbons or their derivatives. The following United States patents may be consulted:— No.Name and Year. 4,560.Von Schmidt, 1846. 47,132.Robbins, 1865. 48,636.Hamar, 1865. 49,146.Palmer, 1865. 49,382.Cooley et al., 1865. 52,046.Holmquist, 1866. 53,217.Eddy, 1866. 53,267.Buell, 1866. 54,194.Myers, 1866. 55,216.Ransome, 1866. 57,960.Perry, 1866. 58,203.Benjamin, 1866. 60,794.Samuels, 1867. 4,158.Samuels (reissued), 1870. 62,334.Holmes, 1867. 62,956.Harvey, 1867. 63,300.Prindle, 1867. 64,703Pustkutchen, 1867. 65,545.Constant et al., 1867. 67,104.Clarke et al., 1867. 68,069.Harding, 1867. 69,260.Seeley, 1867. 70,761.Taylor, 1867. 73,246.Harmyer, 1868. 73,585.Beer, 1868. 77,777.Spaulding, 1868. 78,514.Calkins, 1868. 84,733Cowling, 1868. 86,808.Bridge. 1869. 87,226.Voorhees et al., 1869. 88,392.Karmrodt et al., 1869. No.Name and Year. 91,848.Hunt, 1869. 94,204.Heinnemann, 1869. 94,626.McNair, 1869. 94,704.Blanchard, 1869.
James Parton, Horace Greeley, T. W. Higginson, J. S. C. Abbott, E. M. Hoppin, William Winter, Theodore Tilton, Fanny Fern, Grace Greenwood, Mrs. E. C. Stanton, Women of the age; being natives of the lives and deeds of the most prominent women of the present gentlemen, Our pioneer educators. (search)
s upon her. Her son, Mr. John H. Willard, who had grown up under a training which had specially fitted him for it, and his wife, who for nineteen years had been with her as pupil, or teacher, or vice-principal, now accepted the trust, and relieved her of its further care. But Mrs. Willard all these years had been not simply the practical teacher, but also a most unwearied student, and the opportunity is now afforded her of prosecuting her studies with new zeal. She had been testing Dr. William Harvey's theory of the circulation of the blood, in which the heart is made the motive power, and she soon detected its fallacy. She now sets herself to the more careful study of this interesting problem. With all the enthusiasm of a professional anatomist and physiologist, she explores thoroughly the entire field, and the result was a work on the Motive Powers which produce the Circulation of the Blood. This treatise, published in 1846, arrested the attention of the medical faculty, and