Browsing named entities in Knight's Mechanical Encyclopedia (ed. Knight). You can also browse the collection for Tucker or search for Tucker in all documents.

Your search returned 6 results in 4 document sections:

rapidly to give a quick succession of strokes upon the bell. Andrew's alarm-lock. A padlock with an alarm attachment is shown in Fig. 128. The shackle B is fastened by screws Z Z, whose heads are exposed. They are connected by chains to the arm H of a trigger I. The barrel X is moved by the spring P, a cap is exploded, a ball projected, and fire communicated through the opening R into the magazine S. D is a cover for the screw-heads Z. T is the fallen face-plate of the lock-case. Tucker's alarm-till. A-larm — lock for tills. Alarm-locks are attached to tills so as to ring when the drawer is pulled open. The devices are numerous. In Fig. 129 is shown one in which the contact of the head a with a detent beneath the counter causes the said head to vibrate and swing the hammer-rod which sounds the gong. By raising the trigger E the drawer may be opened silently. A-larm′--watch. An instrument, not necessarily a timepiece, with going works, and adapted to run dow
etal, copper, or its alloys. c. The polished metal — a gun-barrel, for instance — may be dropped in a solution of chloride of antimony and sulphate of copper. This is browning. d. The ordinary solution consists of: aquafortis, 1; sweet spirits of niter, 1; blue vitriol, 4; tineture of the muriate of iron, 2; water, 32. e. Or, blue vitriol, 1; sweet spirits of niter, 1; water, 16. f. The iron is cleaned, polished, coated with linseed-oil, and heated to develop the tint required. Tucker's patent, Dec. 15, 1863. g. The iron is cleaned, polished, and lacquered. The lacquer consists of shell-lac in alcohol, with or without the addition of saffron, annotto, aloes, or other coloring substances. h. The iron is painted with a gold-paint, so called; Dutch metal and varnish. i. The iron is painted green, and rubbed with bronze powder. III. As to tin:— Clean the castings, and wash them with a mixture of 1 part each of sulphate of copper and sulphate of iron in 20 par<
y concussion when the projectile strikes the object. In the example, A represents a shell. A plunger h held by a spring i and detent o, which engages in a notch at its rear end, is released by withdrawal of the detent occasioned by the shock of impact, and strikes a nipple g on which is a percussion-cap. Per-cus′sion-grind′er. A machine for crushing quartz or other hard material by a combined rubbing and pounding process. Percussion-sieve. Percussor and Pleximeter. Hoe and Tucker perfecting-press. Per-cus′sion-lock. (Fire-arms.) One in which the cock or hammer strikes a fulminate to explode the charge. The percussion principle was first applied to fire-arms by the Rev. Mr. Forsyth of Belhelvie, England, in 1803. The interior mechanism may be the same as that formerly used in the flint-lock, the shape of the hammer being altered to allow it a greater sweep, and the battery and pan replaced by a nipple or cone. Per-cus′sion-pow′der. An explosi
ec. 16, 1862. 37,502GroverJan. 27, 1863. 39,207BaldwinJuly. 14, 1863. 39,892DaySept. 15, 1863. 43,146WickershamJune 14, 1864. 50,469HartOct. 17, 1865. 56,641TuckerJuly 24, 1866. 93,415CobbAug. 10, 1869. 100,139GroverFeb. 22, 1870. 114,573LittleMay 9, 1871. 152,813SpeirsJuly 7, 1874. 2. (c.) Rotary Under-Thread Carrier.manNov. 17, 1863. 57,374PreissAug. 21, 1866. 63,463BrownApr. 2, 1867. 64,237MattisonApr. 30, 1867. 69,461McNeillOct. 1, 1867. 79,447ColeJune 30, 1868. 80,243TuckerJuly 21, 1868. 80,653Morehouse et al.Aug. 4, 1868. 80,721GardnerAug. 4, 1868. 83,219St. JohnOct. 20, 1868. 94,628Morehouse et al.Sept. 7, 1869. 95,874BodwellO82BeanDec. 16, 1873. 146,377BrownJan. 13, 1874. 148,025BouillonMar. 3, 1874. 152,543BeanJune 30, 1874. 154,646ClevelandSept. 1, 1874. 10. Welt-Guides. 33,817TuckerNov. 26, 1861. 39,474FolsomAug. 11, 1863. 42,810WalkerMay 17, 1864. 42,846FolsomMay 24, 1864. 105,715MoscheowitzJuly 26, 1864. 11. Variety of Work. 59,983Duf