1805.) Description ef Mr. Evans's MM:/1 145

the wish to have been of use will prove my excuse to you, for troubling you on the present occasion. And I am very respectfully,

Sir, your obedient humble Servant ICVS.

nn än NIESEN

REFERENCE TO THE ENGRAVING OFIMPROVEMENTSON THE ART OF MANUFACTURING GRAIN INTO FLOUR OR MEAL, BY OLIVER EVANS, OF DELAWARE COUNTY, AMERICA.

[WITH A.PLATE ANNEXED.] Y these improvements, the grain and meal are carried from one 5tory to another, or from one part of the Same

Story: to another; the meal 1s cooled; and the boulting- 10p-

Pers are attended by machinery, wien 18 moved entirely by

the power of the mill, and lessens the expence of attendance

at least one half, DESCRIPTION ofthe PLATE.

The grain is emptied into the spout A, by which it descends into the garner B; whence, by drawing heg gäte at C, it pasSes into the SIEH ator C D, which raises"5 to D, and emptties It into the crane-Spout 15 which 15 50 fixed on gudgeons that it may be turned to any sSurrounding granaries, 1n to the Screen- hopper VB, for instance,(which has two parts, F and G) out ot which it is let into the rolling Screen, at H, by drawing the Small gate a. It passes through the fan 1, Ed falls into the little Sidipg hopper K, which may be moved, 80 as to guide it into eitber of the hanging“garners, over the Stones Lor M; and itis let wto the Stone-hoppers by the little bags bb as fast as it can be ground. When ground it falls into the conveyer NN, which carries it into the elevator O O, this raises and empties it wwto the hopper-boy at P, which is 50 constructed as 10 Carry it round in a ring, gathering It gradually towards the center, till it Sweeps it into the boulung-boppers Ee

The tail flour, as it fails, is guided into the elevator, to as- cend with the meal, and, that a proper quantity may'be ele- yated, there is a regulating board R, Set under the Superfine cloths, on a joint x, So that it will turn towards the Head or tail ofthe reel, and Send moxe or lea3 into the elevator, as may be required.

There 18 a piece of coarze cJoth or wire, put on the tails of he Superfine reels, that will Jet all pass through except"4 bran, which falls out at the tail, and apart of w hich is guided inio the elevator with the tail fou; to assist the boult ng IN warm weather: the quantity is regulated by a Small board r, Seton Ge under the ends of the ree)s. Beans m: ay be us. to keep the eloths open, and till be returned into the