4

146 Description.of Mr. Evans's Mill.[March to ascend again. What passes through the coarse cloth, or wire, 1s guided into the cloth S, to be boulted.

To clean Jiheat Several times.

Suppose the grain to.be in the Screen-hopper F. Draw the gate a; Shut the gate c; move the Sliding hopper K over the Spout K cd; andlet it run into the elevator to be raised again. "Yorn the crane Spout over the empty hopper G, and the wheat will be all deposited there nearly as Soon as It is out of the hopper F. Then draw the gate e, Shut the gate a, avd turn the crane 5pout over F; and 50 on alternately, as often as nHecessary. When the grain is Suficiently cleaned, slide the hopper K over the holes tbat lead into the stones.

The Screenings fall into a garner, hopperwise. To clean them draw the gate f, and let them run into the elevator, ta be elevated into the Screen hopper F. Then proceed with them as with the wheat, till Sufiicient]y clean.=-To clean the fannings, draw the little gate b, and let them into the eleva- tor,&c. as betkore.

„Description of the ELvvaToR, CONVEYER, and HoPPiR- Boy.

The elevator is a Jeathern strap, revolving round two pullies, and buckets fastened thereto, which are filled at the lower, and emptied at the upper pully. See CD. in Fig. Ist. Yig. 3 exhibits a view of the pully ot the meal elevator, as It is Sup- Ported on each Side, with the strap and buckets descending to

e filled.--Fig. 5, is a perspective view of the bucket of the wheat elevator; and Shows the manner in which it is fastened, by a broad piece of leather which passes under the elevator Strap, and 1s nailed to the Sides with little tacks. It is alsa tacked to the under Side of the strap to keep it in its place. Buckets made of Sheet iron rivetted to the Strap zuit best for wbheat.--Besides the uses of the elevator, that have already been mentioned; it may be employed to unlade Ships, thus-- annex a conveyer toc the axis of the lower pully; let it pass through the wall of the mill, extend to the Side of the Sbip, and convey the wheat into the elevator. When large quan» tities of wheat are to be received, turn the crane Spout over the great wheat granary. W. out of.which- it may be taken, as wanted, by drawing the gate g,. which lets it fall into the garner B, or intothe elevator at any other convenient place.

The conveyer is an eight-zided Shaft, Set on all Sides with pins, in an oblique manner. It is put in motion in a rough; and, performing its office on the principle of a continued Screw, cConveys the grain, or meal, from one end of the trough 10 the other, whether its direction be ascending, descending, vr harizontal. See NN, Fig. 1st.--Fig. 2 is a perspective view of the gonveyer, as it lies in its trougb, at work; and