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hibited the red or amorphous phosphorus of Sehrotter, ]manufactured by them; for which the Prize Medal wasawarded.
Joseph Sturges, of Kettering (88, p. 190), exhibited apreparation for preserving the turnip plant from theravages of the 11 y (Ilaltica nemonun).
M. B. Tennant, of Brighton (101, p. 197), exhibiteda species of varnish of a silvery hue, for labels or artists’designs.
Tennants, Clow, and Co., of Manchester (7a, p. 186),exhibited a good collection of calico-printers’ salts; in-cluding sulphate of copper, sulphate of zinc, chloride oftin in crystals, bichloride of tin, nitrate of lead, bichro-mate of potash, yellow and red prussiates of potash,chlorate of potash, garaucine, stannate of soda, soda-ash, bisulphate of soda, sal-ammoniac, and pink salt,for which they received Honourable Mention.
.1. Trix, of" Exeter (1*25, p. 199), exhibited extract ofhenhaue, prepared from the wild herb.
Truman, Hanbury, Buxton, and Co. (91, p. 197),illustrated ale and porter brewing by specimens of thematerials employed, and of the products obtained.
A. T. Bulloch, of the Royal Gunpowder Mills,Waltham Abbey (21, p. 189), obtained HonourableMention for the magnificent and extremely remarkablecrystallizations of sulphur which he exhibited.
J. Tl'stian, of Melcombe, near Banbury (97, p. 197),exhibited petals of the red rose, confection of the redrose, and extract of henbane, prepared by him.
Tustian and Usher, of Melcombe, near Banbury (98,p. 197), exhibited English rhubarb grown by them. ThisBanbury rhubarb is the produce of the JiJieum rhapon-ticum.
The Yieille Montacne Zinc Mining Company, ofLiege, Belgium (26, p. 1152), obtained the Prize Medalfor fine white oxide of zinc.
Wagenmaxn, Seybel, and Co., of Vienna (19, p. 1007,1008), had the Prize Medal awarded to them for a finecollection of salts chiefly used in pharmacy.
O. W. Waldthauskn, of Clarenburg, near Cologne(320, p. 1069 , manufacturer of white lead, contributedsuperior specimens of that article.
Dr. N. Walj.icii, of London (pp. 8S4, 885), had thePrize Medal awarded to him for his great collection ofIndian woods, which included specimens of the treesfurnishiug dye-stuffs, resins, oils, and different medicinalsubstances.
John "Ward, of Ramelton, County Donegal (89, p. 196),was awarded the Prize Medal for the usual products fromkelp, including iodine, chloride of potassium, sulphateof potash, and alkali-salt, all of superior quality.
Ward, Smith, and Co., of Glasgow (54, p. 193), ex-hibited iodine of good quality, with the salts of kelp,which they manufacture.
William Watt, of Dunchattan Chemical Works,Glasgow (32, p. 199), obtained the Prize Medal foriodiueaud salts'of kelp, viz.: sulphate of potash, chloride ofpotassium, and crude carbonate of soda.
John Watts (103, p. 198) obtained the Prize Medalfor various chemical and pharmaceutical substances ma-nufactured by him, including an interesting collectionof extracts prepared in open vessels at a temperature offrom 110' to 130 : Fahr. The collection embraced theacetic extract of colchicum, from the fresh conns; ex-tract of gentian, from the dried root; pure aqueousextract of aloes, from hepatic aloes; extract of deadlynightshade, from the flowering plant; extract of li-
quorice, from the fresh root; extract of Turkey rhu-barb, from the dried root; extract of fetid goose-foot,from the flowering plant: extract of hemlock, from theflowering plant; elaterium, from the fresh fruit whennearly ripe; inspissated ox-gall; extract of henbane,from the flowering plant; extract of white poppies,from the fresh capsules; extract of dandelion, fromthe fresh roots, obtained monthly from October toFebruary.
G. D. Weber, of Venice (18, p. 1007), exhibited samplesof fine crystallized cream of tartar, for which he receivedHonourable Mention.
J. II. Weiss, of Miihlhausen (684, p. 10S8), exhibitedan assortment of the finest madder lakes, for which thePrize Medal was awarded.
"Wksenfkld and Co., of Barmen, Prussia (461, p. 1077),had the Prize Medal accorded to them for a collectionof chemical salts, among which, the sulphide of soda,used as an antichlore, was conspicuous.
Wetueuell and Brother, of Philadelphia (43, p. 1435),exhibited a good collection, upon a considerable scale, ofsalts for pharmaceutical purposes, which was awardedHonourable Mention.
A. Wiesmann and Co., of Augustenliiitte, near Bonn (334, p. 1070), had the Prize Medal accorded to them forthe products of distilled schist. Their liquid productsare suitable for illumination ; they also obtain paraffin, inquantity, and make good black varnishes for coatingiron, &c.
John Wilson and Son, of Hurlet, near Glasgow , (6,p. 185), were awarded the Prize Medal for their alum, ofwhich magnificent specimens were exhibited, togetherwith a rich series of shales, hair-salt, aud other illustra-tions of the manufacture. Fine sulphate of iron, obtainedfrom the same shale, with sulphate of ammonia from theammouiacul liquor of gas-works, and fine crystals ofnaphthaline, formed part of the collection.
Winsou and Newton (28, p. 190) also had the PrizeMedal accorded to them for artists’ pigments, of which amost extensive collection was exhibited both in the rawaud manufactured states.
Wolfe and Co., of Schwcinfurt (17, p. 1099), contri-buted to the display of ultramarines,—remarkable fortheir cheapness,—for which Germany is distinguished.
Wood and Bedford, of Leeds (47, p. 192), had Honour-able Mention accorded to them for their manufacturedproducts from lichens. The preparations used in dyeingwere accompanied by several pure chemical principles ofthe lichens, namely, erythric acid, lecanoric and rocellicacids, pycroery thrin and orcin.
J. Young, of Avdwick Chemical "Works, Manchester(7, p, 187), obtained the Prize Medal for his stannate ofsoda, prepared by the action of caustic soda, aided by heat,upon the native peroxide of tin.
C. Zimmer, of Frankfort-on-the-Maine (3, p. 1121),was also awarded the Prize Medal for the alkaloid“ quinidiiie,” of which he is the discoverer. M. Zimmeris generally allowed to be the largest manufacturer of theother alkaloids of cinchona hark in Germany or any othercountry.
J. Zubkr and Co., of Rixheim , Ilaut Rhin (1536, p.1536), had the Prize Medal awarded to them for theirultramarine, which is remarkable for its fine division andbeautiful violet tint. They also supplied a green varietyof ultramarine, and a collection of paints.
THOMAS GRAHAM, Reporter.