202

GHIXDIXG AXD CLEAX1XG MACIIIXF.S.

[Class V 1.

hoots, cutting-out soles, &c. These machines, however,are not completely fitted up.

In the English section Mr. Mansf.lt. (502, p. 305) hasa boot-blocking machine; and Mr. Wait (504, p. 305) akind of printing machine, intended to print the outlinesof the parts of shoes or boots upon cloth or leather, as aguide to the cutter-out.

M. Senechal, France (373, p. 1194), has a press foreutting-out gloves.

Clay. —The Exhibition contains twelve or fourteenbrick and tile machines of various kinds, most of whichhave been placed in the “ Agricultural Department,”which is their proper location—agricultural gentlemenbeing usually qualified by practice and experience tojudge of the performance of such machines. Of the fewthat have accidentally found their way into Class VI. wemay mention Mr. Beaut’s machines for making hollow'bricks (301, p. 295), and a machine of Messrs. Bandei land Saunders (324, p. 297), in which the clay is forcedthrough the mould by the continuous action of tworevolving spirals instead of the usual reciprocatingpiston.

In the French Department, Messrs. Borie Brothers(417, p. 119S) exhibit an excellent machine for makinghollow bricks, in which the plugs of the mould are sup-ported w ith great skill, in such a manner as to obviatethe splitting of the bricks, which, in the common con-struction, is apt to result from the position of the bridgesby which the plugs are carried.

(F.) Grinding and Cleaning Flour and otherVegetable Products.

(21.) Mills for Grinding.

stone is the runner, and there is an arrangement for theintroduction of atmospheric air between tne stones.

In the Belgian section M. IIouvet (125, p. 1155), andM. Debeaune (131, p. 1155), exhibit each a model of asmall mill, w ith a ventilator to drive atmospheric air be-tween the grinding surfaces.

A little machine to enable a workman to cut andsharpen mill-stones with great precision, and withoutdanger to his eyes from chips, is exhibited in theEnglish section by Mr. Parsons (Class V. 642, p. 247;;and in the French section a similar contrivance by M.’Touaii.i.on (1508, p. 1248).

Mr. Crosskill (.404, pp. 298, 299), Mr. IIukwood (414,p. 301), and Messrs. 8. and C. Adams (429, p. 302) haveexhibited a variety of mills fitted with metal plates forgrinding wheat and other vegetable substances, bones,minerals, &c.

Coffee-mills are shown by W. Muir (20G, pp. 291. 292),Fikldhouse and Co. (443, p. 303), Savage (458, p) 304'’and Vandenbrouckf. (France , 711, p. 1230). A hand-some silver apparatus for roasting coffee is exhibited by-Messrs. Dakin and Co. (408, pp. 299, 300).

In the French section M. Hermann (873, p. 1221) hasfitted up a complete and admirable set of machineslargely employed for the manufacture of chocolate, hywliich the cocoa beans are crushed after being roasted,mixed with sugar, and the chocolate fully prepared foruse. Also an apparatus for mixing and grinding greasvmatters for perfumes, soaps, &c. A mixing machine tin-chocolate is also exhibited by Messrs. Gatti and Holla(450, p. 303); and a set of excellent machinery forcrushing and grinding potatoes, and for making potatoHour by a cylinder with saw blades, by M. Huge(France , 541, p. 1204).

In the first place we may direct attention to the stones,steel, and iron plates, &e., by which the grain or othermaterial is to he crushed; many specimens of these areexhibited, detached from the machinery by which theymust be maintained in motion when used.

Messrs. Toms and Co. (457, p. 304) exhibit French millstones made at La Fertc-sous-Jouarre , and fitted withHanou-valck’s patent aerator, for introducing fresh airbetween the stones.

Messrs. Hughes and Sons (459, p. 304) have also apair of stones with channels for the introduction of air,and Mr. Ci.avton (440) a pair of French stones.

Mr. IIurwood (414, p. 301) specimens of grindingplates in steel and cast iron formed in concentric rings.

In the French section, burr-stones of different sortsand qualities are exhibited by Gaillard, Son (226, p.11871, Petit and Co. (345, p. 1194), Bouchon (431, p.1199), Gueyin-Bouchon and Co. (532, p. 1204), Mont-ciiarmont (650, p. 1209), lioGER (1448, p. 1245)Thirault Boilesye (1502, p. 1248), Touaillon (1508,p. 1248); and in the Zollverein section, M. Landau (321,p. 1009), stones of lava quarried near the Moselle.

Mills, fitted up for grinding grain, ores, &c., are shownunder the following numbersMessrs. Fairbairn (403,p. 29S) a corn-mill on a cast-iron frame with gearing:show ing their improvements m the inodes of driving, ad-justing, and feeding the mill-stones.

Messrs. Corcoran and Co. (416, p. 301) a portablecorn-mill with French burr-stones, intended for the useof emigrants ; and Messrs. Tootal (446) a small hand-mill.

Mr. Bouchon (France , 431, p. 1199) also exhibits asmall mill complete with bolting machine, for emigrants.

Messrs. Westrcp and Co. (442, p. 303) a mill of apeculiar and compact arrangement, consisting of twopairs of conical stones, one above the other, but attachedto the same spindle; between them is a conical wiresieve, with brushes fixed to the spindle, by which thefine flour detached by the upper stones is separatedfrom the grain before the coarser parts fall to the lowerstones.

In the American section, Mr. Boss (213, p. 1450), amodel of a portable mill.

-Messrs. Messier and Cartier (France , 635, p. 1208)exhibit a small portable mill complete, in which the iower

(22). Machines for Cleaning and Separating the Products.

Vi'c will now proceed to enumerate the machines forcleaning grain and separating the finer particles from thecoarser after grinding, for w hich a variety of arrange-ments are shown, differing in the position of the revolvingsieves, in the material and disposition of the brushes andbeaters, and in other particulars.

Mr. Hunt (422, p. 301), vertical flour-dressing machine,with hair brushes.

Mr. Bedford (426, p.302), inclined wire cylinder, w ithexternal revolving hair brushes.

Mr. Blackmoue (428, p. 302), model of a boltingmachine, having cloths without scants and revolvinggutta perclta flaps outside for cleaning the cloth.

Mr. Stiller (436, p. 302), flour-dressing machine;Mr. Shore (438, p. 302), flour-dressing machine, withcylindrical wire sieves, having revolving wings inside,w ith steel plates in lieu of brushes; Messrs. Coomre andCo. (444, p. 303), models of inclined and vertical cleaningand dressing machines ; Mr. YYeatherley (441, p. 302),a small machine for cleaning currants, with whalebonebrushes; Messrs. B. and E. Millington (462, p. 305),a cleaning, or smut machine, with revolving w ire brushes;Messrs. B. and J. Bankin (466, p. 305), a vertical smutmachine, having an exhauster above to remove the dust;and, finally, Mr. Ashby (470, p. 305), an upright flour-dressing machine.

In the French section, machines are exhibited by M.IIuck (541, p. 1204), for extracting and separating flourfrom ground potatoes; Messrs. V achon and Co. (705, p.1212), for cleaning grain ; and M. Hexnecart (1266, p.1237), for bolting flour,—having a silk cover, andaccompanied by various excellent specimens of silk gauzefor bolting.

In the Belgian section w e find machines for cleaningand glazing rice, by M. Houyet (125, p. 1155); and acylindrical machine for cleaning grain, by M. Daxneau(507, p. 1167).

Under the present head may be mentioned a set ofeffective machines by Messrs. Barrett and Co., of Bead-ing (410, p. 301), for manufacturing biscuits. In theFrench section an elegant machine for kneading dougltby means of a revolving spiral, by M. Boland (428, p.1199). A model of a machine for making biscuits,