DJDEX.
85i
Tempest Prognosticator —Description of, constructed byMerryweather, 310.
Templeton, ,1. and Co., 473, 475.
Temsonnet and Dartet, Messrs., 2.3.
Tenasserlm (Hast Indies)—Collection of the woods of,contributed by the Indian Government, 136.
Tenerani, —, 704.
Tennant, C. (the late), 41.
Tennant, .1., 11, 562, 564, 566, 568.
Tennant, 51. 11., 50.
Tennants, Clow, and Co., 50.
Tents. —Various descriptions thereof, 222. Complete ven-tilation, ib. Improvement proposed in the construc-tion of military tents, ib. Portable stove and cookingapparatus attached, ib.
Teramo, Bishop of, 367.
Terasson de Montlean, J. A., 15'.).
Terra-Cotta . — Articles therein, 540-542. Importantterra-cottas from France , 554. Terra-cotta an impor-tant and interesting modification of common mouldedbrickwork, 582. Approaching in its nature to what iscalled stone-ware, the fusion of the materials not beingeffected, ib. Objects exhibited, awards, &c., 582, 583.Terra-cotta figures from Spain , representing the cos-tumes of that country, 650.—See also Clay, Manufac-tures in.
Terro-Metallic Clav, Articles in. —Large and interest-ing series of articles manufactured in a peculiar prepa-ration of clay, and with a peculiar burning, called bythe inventor Tcrro-metallic , 581.
Terzy’s "Wife, 484.
Tessada, F., 472.
Tcssler, C. L., 673.
Tessler, 1). F., 32, 670.
Testa, F., 558.
Testa, S., 55S.
Tetley, G. (Associate Juror), xxviii.
Tetley, Mrs., cxx.
Texier, C., 405.
Texier, T., jun., 333.
Textile Fabrics.— List of Classes of objects included inGroup C., Textile Manufactures, iii.
Textile Fabrics, Designs for. —See Designs fur Printedand J raven Fabrics , Jyc.
Thaer, A. 1\, 158.
Thalberg, S. (Juror), xxvii, 326.
Thalwitzer, —, 92.
Thames Plate Glass Company, The, 527, 536.
Thames Yacht Club, 217.
Theed, W., 6S6, 693.
Theine.—T he identity of theine and caffeine establishedby Mr. Jobst, 46.
Theodolites. —Transit theodolite invented by Mr. Simms,253. Extremely portable, ib. Kange of the telescopeunlimited, ib. Description of the instrument, ib.Transit theodolite by Dollond , ib. 'Well-made portabletheodolites bv G. Yates, ib. Seven-inch theodolite,reading to 15", by Marratt, formed of the smallestnumber of pieces, with a view of preventing flexureand insuring stability, 253, 254. Six-inch theodolite,of very indifferent workmanship, from Canada , 254.Miner’s theodolite, ib. Repeating theodolite, withconcentric circles, ib. Repeating theodolite of the formused by Gambey, ib. Description of the instrument,ib. Divisions very good, as also the whole of theworkmanship, ib. Theodolite with covering, for thegraduations invented by 51. Brcithaupt, Prussia, ib.Usefulness of the covering, ib. 5Iining theodolite fromPrussia, of improved construction, ib. Descriptionthereof, ib. Six-inch theodolite, of good workmanship,from Prussia, 255.
Theodorshalle Ivreuzuach Salt-works (llesse Darmstadt ),32.
Theret, J., 551, 569.
Thermo-Electrical Instruments. —Harris's thermo-elec-trometer. 282. Principle and object of the apparatus,ib. Discovery of thermo-electricity by Lubeck, ofBerlin , ib. Large thermo-electric battery from Prussia;description thereof, ib. Apparatus for showing theaction of the earth’s magnetism on electric currents,ib.
Thermometers. —Remarks on the various thermometersexhibited, 301, 302. Exhibition of two standard ther-mometers by Mr. Simms, constructed by the Rev. II.Sheepshanks, 301. Peculiar thermometers exhibitedby Negretti andZambra, ib. Description of Newman’sstandard thermometer, 301, 302. Delicate and accurate
thermometers from France , 302. Thermometers fromPrussia. Austria, and Denmark , ib.
Thesen, X. P., 602 .
Thcvart, A., improvements effected by, in the manufactureof plate-glass, 527.
Tbevenet and Go., 368.
Thibault Boilesve, H., 202.
Thibert and Adam, 368.
Thibet —Borax imported from ; very impure, 524.Thibierge, —, 388.
Thieme-'Widtmarkter, and Co., 164.
Thier, —, 346.
Thierry, C. A., 439.
Thierry, J., 278.
Thirrey, 5Iieg, 3S1.
Thistlethwayte, H. F., 11.
Thom and Co., 598.
Thollon, —, 615.
Thomas,—, 75, 101.
Thomas Brothers, 368.
Thomas, C., 491, 509.
Thomas and Co., 61.
Thomas II., 196, 205.
Thomas, J., 583.
Thomas, James, Cl.
Thomas, John, 546, 562.
Thomas, L., 360.
Thomas and Son, 4S0.
Thomas and Sons, 426, 453.
Thomas, W., 360.
Thompson, F., 598.
Thompson, 11., 682.
Thompson, 11. S. (Juror), xxvii.
Thompson, J., 163.
Thompson, Messrs., 102.
Thompson, R., 311.
Thompson, T. 1U, 506.
Thompson, Lieut.-Col. T. I’., 326,333.
Thompson, Rev. Z., 150.
Thoms, P. P., 665.
Thomson, A., 315.
Thomson Brothers, 459.
Thomson, J. B., 672.
Thomson, J. T., 103.
Thomson, R., 605.
Thomson, Younger, and Co., 203.
Thonet, J., 221.
Thonet, 5Iichael, 546, 551.
Thorn and Co., 59S.
Thorneycroft, G. B., and Co., 186.
Thornhill, J., 572.
Thornhill, "W., 489.
Thornton, Firth, Ramsden, and Co., 353, 359.
Thornton, S., and Sons, 184.
Thornycroft, Mr. and Mrs. T., GSG, 603.
Thorwaldsen, —, 706.
Thoumin, A., 519.
Tliouret, F. A., 518.
Thread.— Few specimens exhibited from foreign countries,347. Specimens exhibited, 348, 349.
Thread Counter. — Account of a registering threadcounter, 315. Purpose for which designed, ib.
Thresher and Glenny, 479.
Threshing Machines. —The most complicated agriculturalmachine in general use, 235. Their great imperfectionnot discovered till the Norwich meeting in 1349, ib.Enormous waste of power discovered at that time byMr. Amos, ib. Improvements have since taken place,but they are still far Irom perfect, ib. Report of Mr,Thomson in detail on the result of trials at differentperiods with various threshing machines, 235, 236.Statement in detail of the comparative cost of thresh-ing by flail, by horse, and by steam, showing the greatsaving resulting from the use of the steam threshing-machine, 236, 237. Lead taken by Messrs. Claytonand Co. in the improvement of threshing-machines,237. Prizes awarded, 241, 242.
Thrupp, E., 685, 693.
Thum, A., 3G0.
Thiimcr and Topffcr, 348.
Thukingen Forest (Prussia).— Crucibles,&c-., made of whiteclay from, 297. Resembles Wedgwood ware, used forsimilar purposes, ib.
Thurman, Pigott, and Co., 479.
Thurn, Count Yon, 21.
Thurston and Co., 546, 551.