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North and South Side, F. to K. 68 to 70; L. 70, 71; M. to R. 70; S. 70, 71.Commissioner in London , M. G-abriei de Kamensky, 31 Norland Square, Notting Mill.

This extensive collection of articles lias been contributed by about 380 exhibitors. Owing to the usual causesJ'duch interfere with the communications between this country and Russia , many of the articles, and those of■he most beautiful and imposing description, were not received until after the opening of the Exhibition. A?® r y complete series of objects is now exhibited, from the raw material to its elaboration into artistic form.-*he raw materials and produce constitute a very large part of this collection, regard being had only to theGrubers of their representative exhibitors, amounting to upwards of 140. Of these, the metalliferous minerals,^d the metals themselves, with various geological specimens of interest, form an important portion. From aUnaber of the Imperial iron-foundries, specimens of the best productions of the Russian forges and furnaces aremown. There is, perhaps, no country in which metallurgical works, castings (by various methods), and theOperations of the foundry, are earned on upon a more colossal scale than Russia . The establishments in whichp e processes are conducted being, for the most part, the property of and organized under the ImperialGovernment, are on a scale of corresponding magnitude.

, In the first rank of the public establishments of Russia , the Imperial Mint and the Cannon Foundry mustPlaced. The former we notice in connection with the gold, silver, and platinum, that appear in this collec-tlo n, and are more especially noticed hereafter ; the second, in illustration of the processes by which thee Hormous produce of Russian iron is prepared. The mint of St. Petersburg coins, annually, the quantities ofUtoney i n g 0 i c i j j n silver, and in platinum that are required for the public service. The entire amount of theS°ld and platinum produced by Siberia is sent thither, in order to have the standard authenticated. There,r?°> in like manner, the gold contained in the silver ores, of the Altai and the Nortchinst mines is extracted.JPe foundry and smelting-houses of Alexandrovsk, situated on the Neva, at some versts distant from St.

I et ersburg, are charged with the execution of whatever may be necessary for the works undertaken by theGovernment in that capital; but they also execute orders for private individuals. Several chemical substances°i commercial value are also exhibited. The agriculture of Russia is represented by the specimens sent by^ b °ut fifty exhibitors, which include all the varieties of wheat in common use in Russia , and exported thenceo other countries. Of the vegetable substances used in the arts, as in dyeing, a good collection exists. And* those products, forming the basis of the textile manufactures, as flax and cotton and silk,, many samples arelown. The extent and the importance of the flax productions of the empire are familiarly known, and the- factor of that fibre is well illustrated by the specimens sent for exhibition, The machinery exhibited® c mdes a calculating engine, a silk-throwing machine, a patent machine for substituting mechanical foranual labour in cutting files, &c. The machines used in the Imperial Alexandrovsky manufactory of sail-^ h, near St. Petersburg, for the purpose of testing the tenacity of sail-cloth and other materials, will receivein°+ 10e ' A vacuum apparatus for sugar, a Jacquard loom, a table for washing gold sand, and other objects ofo ^st, belong likewise to the department of machinery. The textile manufactures, including those of cotton,th^’ ^ b ar| d wool, are illustrated by the productions of a considerable number of exhibitors ; and the goodsc ®® Se Ives offer an instructive comparison with those of other countries and with om own. The sail-cloth, acanvas, and sheetings, exhibit the usual excellent qualities of Russian productions of this class. Thehi ,Vity °I the manufacture of Russia leather attaches interest and value to the specimens of this article ex-1 e d. Jn the department of the precious metals some beautiful and costly specimens are shown, inclusive^ display of jewels of great splendour and worth. The candelabra, also, form highly-attractive features inb v S tl collec ti°n. Probably” the greatest amount of interest excited by any series of objects, is that awakenedCarlin 16 su P er I ) suite of furniture in malachite and or-molu. The beautiful veining and colour of this green°nato of copper, and the ingenuity exhibited in its arrangement into the forms required for the purposes to