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r several plates in layers, from the outside to the inside, the plates being bolted together occasionally at their contacting portions. The arrangement of Dimpfel's armor, Aug. 4, 1863, will be readily understood by reference to the cut. The ends of one series of plates are let into grooves of a transverse set of T-iron plates, which are bolted to the backing. It is intended for application to either land or marine batteries. Twining's armor. Dimpfel's armor. Caudwell's armor. Collins's armor. Caudwell's Construction of Ships of War. This invention was patented in England April 10, 1863; in the United States, January 19, 1864. The design embraces a corrugated ironplated roof with portholes in the corrugations; the port-shutters are composed of a number of separate plates of iron or steel one above another, and fit into grooves in the edges of the armor-plates. Around the vessel, just above the water-line, is a projecting lip, to which india-rubber, or other simil
on)11 Good yellow brass21 Brass wire21 Muntz's sheathing-metal32 Red brass, to be soldered83 Common brass31 Pinchbeck41 Revere's sheathing-metal (1830)955 Collins's red alloy for sheathing81 Collins's yellow alloy for sheathing108 Collins's white alloy for sheathing11616 Tough brass for engine work2033 Brass for heavy bCollins's yellow alloy for sheathing108 Collins's white alloy for sheathing11616 Tough brass for engine work2033 Brass for heavy bearings3215 Pinchbeck41 Pinchbeck52 Tombac (Malay, tambaga, copper)1611 Red tombac88.811.2 Red tombac111 Rolled brass74.322.33.4 Tutenag503119 Brass gilding-metal (bronze color)161-1 1/4 Emerson's patent brass (English)168 Keller's statuary brass (Versailles)91.405.531.701.37 Chantrey's hard alloy3255 Manheim gold41 MaCollins's white alloy for sheathing11616 Tough brass for engine work2033 Brass for heavy bearings3215 Pinchbeck41 Pinchbeck52 Tombac (Malay, tambaga, copper)1611 Red tombac88.811.2 Red tombac111 Rolled brass74.322.33.4 Tutenag503119 Brass gilding-metal (bronze color)161-1 1/4 Emerson's patent brass (English)168 Keller's statuary brass (Versailles)91.405.531.701.37 Chantrey's hard alloy3255 Manheim gold41 Manheim gold311/4 Semilor51 Mosaic gold (Hamilton and Parker's patent)3233 Mock platinum85 Bath metal329 White brass108010 Ormolu4852 Speculum metal (Martin's patent, August 23, 1859)10018 3/45/816 Mushet's sheathing-metal (1823)1001/8 The proportions are varied, and tin and antimony are added in some of the fo
door. The name is probably derived from munnion, and that from mullion, a pier between the divisions of a Gothic window. Mullion is from molding (Fr. moulure), signifying the form. Muntz's Met′al. An alloy for plates for sheathing the bottom of ships. Patented in England in 1832. It resembles several previously patented alloys, all of which were designed to be rolled while red-hot, and to be used for the purpose stated. See the following; also table on page 61. Kier, 1779.Collins, 1800.Muntz, 1832. Copper5455.550, 60, 63 Zinc4044.450, 40, 37 Iron5.4 Mu′ral Cir′cle. An astronomical instrument consisting of a graduated circle, furnished with a telescope and firmly affixed to a wall, in the plane of the meridian. It is used for determining with great accuracy altitudes and zenith distances, from which may be found declinations and polar distances, and has a graduated circle secured at right angles to its horizontal axis. See transit. The old Hindoo inst<
WilsonFeb. 28, 1860. (Reissue.)914WilsonFeb. 28, 1860. 30,615CollinsNov. 13, 1860. 33,341FolgerSept. 24, 1861. 36,591WilkinsSept. 30,. 126,860WolcottMay 14, 1872. 127,053HarrisMay 21, 1872. 134,518CollinsJan. 7, 1873. 134,669Henry et al.Jan. 7, 1873. 137,947OburgApr. 1zinc, 5. Wetherstedt's, copper, 90 to 97; antimony, 3 to 10. Collins's (red), copper, 8; zinc, 1. Collins's (yellow), copper, 10; ziCollins's (yellow), copper, 10; zinc, 8. Collins's (white), copper, 1; zinc, 16; tin, 16. Pope's, lead, 1; zinc, 3; tin, 2. Cast and roll into sheets at about 200°. SCollins's (white), copper, 1; zinc, 16; tin, 16. Pope's, lead, 1; zinc, 3; tin, 2. Cast and roll into sheets at about 200°. See alloy. Another alloy of Mushet's is composed of copper, 100 pounds; zinc, 0.5 ounce; tin, 0.5 ounce; antimony, 1 ounce; arsenic, 2. Oetains them in expanded position. In Fig. 5361, a is Robert and Collins' nasal speculum. b, Elsberg's nasal speculum. c c, Thudichumreat Britain, screw, Atlantic1843 NasmythEnglishSteam-hammer1845 CollinsAmericanLine of mail packets, Pacific, Baltic, etc., Atlantic1850