814
INDEX.
sun-dials, 281. Prismatic compass, ib. Description ofa magnetic-electric induction machine, 287.
Magnetic Ores obtained from the mines of Marmora (WestCanada), 16. Remarkable thickness and extent ofmagnetic ores in the Adirondac Valiev, New York , 18.See also Iron Ores .
Magnets. —\ cry few magnets exhibited, 279. Powerfulsteel magnets, 280. Exhibitors applying themselves tofurther improvements, ib. Attention paid by —lleardcr to ascertain the receptive and permanentmagnetic powers of cast iron, ib. Series of experi-ments commenced by Dr. Scoresby in 1832; generalresults thereof, ib. 1!carder's experiment upon themagnetic, properties of cast iron, ib. Observations ofthe Jury on. and description of, the magnets exhibited,ib. Powerful permanent magnets from the Nether-lands , ib. Cast-iron compound horse-shoe permanentmagnet, ib. Carbonised cast-iron magnet, ib. Powerfulcompound linear bar magnets, 288.
Magnin, J. V., 52, 55.
Magnus, —, 571, 572.
Magnus, S.. 59.
Magpoor, the Maharajah of, 657.
Mahillon. C.. 331, 334.
Mahler, 11. (Juror), xxviii.
Mahogany. —Beautiful specimens of mahogany, 121, 127.156. Excellent Spanish mahogany may be raised in theEast Indies, 127. History of the introduction of ma-hogany for the manufacture of furniture, 545.—See alsoTimber, Vc.
Mahon, Viscount (Juror), xxviii.
Maillc and Segond, 02.
-Maillot, E., 520.
Main-Springs. —See Watches.
Mair, J., Son, and Co., 348, 381, 469.
Maire and Co., 47.
Maitland, Capt., 122, 128.
Maitland Mines (Cape of Good Hope ), 1G4.
Maitre, A., 449.
Maize . — Fair sample of maize exhibited by the TruroLocal Committee, 53. Maize of fair quality from theCape of Good Hope, ib. Samples from New Zealand and from Norfolk Island , ib. From the West fndia pos-sessions, ib. Inferior quality of the East Indianmaizes, ib. Varieties of maize from Austria , ib. Amore important crop in North America than in anyother civilized country, ib. Fine samples fromAmerica , ib. Samples from Demerara, 55.—See alsoMalt .
Maize-Fi.our.— Sample of maize-flour, commonly calledcorn meal or corn flour, from the United States , 55.
Majo, S. de, 635.
Majolica Ware. —Garden pots and vases modelled in imi-tation of, 540. Remarks on a species of majolica-warefor friezes, &c., exhibited by Messrs. Minton, 716, 717.
Major and Gill, 348.
Makepeace, E., 645.
Makin, W., 489.
Malabar. —Collection of woods from the Malabar forests,132. Soap composed of cocoa-nut oil, and soda from,610.
Malacca —Tin ore, sulphuretsof antimony, and specimensof ochre from, 14. Cinnamon from, 62.
Malachite. —Remarks on malachite decorations exhibitedin the Russian Department, 554, 714. Malachite liasbeen long employed in Russia for inlaid work, 569.Difficulty of working it, ib. High value of good spe-cimens, ib. The most importaut locality at presentknown for the finer kinds is in the copper ground ofN'ijny Tagilsk, on the Siberian side of the Ural Moun-tains , ib. Description by Sir R. Murchison of anenormous mass of malachite in a mine at this placebelonging to MM. Demidoff, ib. Inlaying or veneeringfor decorative purposes by no means a modern applica-tion of this material, 570. First establishment of amanufactory at St. Petersburg by MM. Demidotf. ib.The works sent by MM. Demidotf to the Exhibitionproduced at this manufactory, ib. The working ofmalachite on a large scale extremely tedious ami labo-rious, ib. Detailed description of the method of work-ing and cementing malachite, 570, 571. Value of themalachite, 571. Objects exhibited by MM. Demidotf;remarks of the Jury on their extraordinary richnessand beauty, the excellence of the production, and theapplication of various new methods of manufacture ;award of a Council Medal for these objects, ib. Re-marks on the specimens of malachite goods exhibited
from Paris and Derbyshire, 571. Beautiful set of twelvemala bite ami or-molu table ornaments, 655.
Malandrinus. A., 90.
Malapank Iron Foundry (Prussia) — High character ofthis foundry for the quality of their cast and wroughtiron and steel. 31.
Malatinzky, E., 482.
Malay —Collection of the woods of, 137, 133.
.Malcolm, J., 373.
Malherbe, L., 221.
Malin and Sons, 503.
Malingie, —, 159.
Mallat, J. B., 505.
Mallet Brothers. 470.
Mallet,—, 347, 318.
Mallett and Barton, 469.
Malloch, —, 307.
Malmon Island (Sweden ). —Extensive stone quarries inthe island, 556. Specimens of stone from, ib.
Malo-Dickson and Co., 372.
Malt. —Few samples of malt exhibited, 52. Sample ofporter malt, prepared by a patent process, by S. 1LPoole, containing in consequence a larger proportionof saccharine matter, ib. Samples of, from Ipswich.ib. From New Zealand , ib. From Van Diemen'sLand, ib. Sample of malt made from maize, from theUnited States , 55.
Malta — Sample of white wheat from, 52. Interestingscries of cottons, 95. Specimens of raw silk, 163.Cotton yarns, 347. Specimens of filigree work, 520.Specimens of carved stone, 554. Vases and otherobjects carved in the soft stone of Malta , 553. Speci-mens of inlaid work in marble, 569. Basket of richshell-flowers, 642. Ethnographical figures modelled inwax, 649.
. Malvieux, C. T., S3.
.Marne and Co , 406, 452.
Mamedo, B. G., 520.
■ Man, Capt. II.. 102.
; Mauby, Capt. W. G., 219.
1 Manchester. — Plan pursued in causewaying the streets
! of .Manchester; use of, made of concrete and pitrl,
: Manchin and Morel, 412, 454.
j Mancu, S., 84.
Manderson, —, 13.
; Mandrils. —Specimens of radial drill mandrils. 203.
! Manganese. —Ores of manganese, from Nova Scotia , 17.
; Chiefly employed in the manufacture of chlorine, and
! the chlorides, 31. Specimens from Prussia and Nassau exhibited, ib. Is used in glass making, 523.
Mangrove Bark —Obtained from India , 89. Colour ex-tracted, ib. This one of the colours introduced by Dr.
: Bancroft, for the exclusive use of which he obtained an
! Act of Parliament, ib.
Maniac, E., 404.
i Manilla —Fine specimens of shells yielding mother-of-pearl from, 164. Economical Society, 103, 156, 601.
Manioca Flour— Samples of, from Trinidad, Cevlon, andAngola , 62.
Manley, General G. (Juror), xxxi.
Manlove, Alliott, and Co., 203, 204.
M;;::!v, J., jun., 508.
Mannesmann, A., 4S9.
Mannheimer, W., 32, 673.
Manometer. —Description of an instrument exhibited inthe French Department, called a manometer, 301.
Mans Cathedral —Painted windows in, referred to, 534.
Mansell, J., 404, 448.
Mansell, Sir R.— Patent obtained b}\ in 1635, for makingflint glass; results to which it has led, 528.
Mansell, T., 200, 202.
Mansfeld Mining Works.—Working of copper in theStates of the Zollverein , exclusively represented by thecombined Mining Works of Mansfeld, 31.
Mansfield, 609, 649.
Manso, R., 57.
Mantel-pieces. —Cheap and useful combination of ironand glass in the construction of mantel-pieces, 5S7.—See also Chimney-Fieces.
Manton and Son, 221.
Manuel, C\, 95.
Manufactures (generally).—List of classes of objects in-cluded in Group C. Textile fabrics, iii, v, xiii, xviii.The like of objects included in Group D. Metallic,vLreous, and ceramic manufactures, ib. The like of