me. 4 4

THE DRIEL PLOUGEH. 890$

tree that the wheels will then follow in the fame line with the horfe.

ee are wheels of four feet in diameter, the nave of one of which has on it a caft-iron wheel at ff, for the purpofe of turning the axis of the feed-box, which has a fimilar wheel of one fourth its diame- ter; whence the axis of the feed-box revolves four times to one re- volution of the wheel.

Confiruchon of the Jeed-box. Plate XI. Fig. 2.

This confifts of boards about an inch in thicknefs, is forty-eight inches long within, twelve inches deep, twelve inches wide at top, and fix inches wide at bottom: it is divided into fix cells, in which the corn is to be put, as reprefented in Plate XL. Fig. 2. and fhould alfo have a cover with hinges to keep out the rain, and is to be plac- ed in part over, and in part before, the axle-tree of the carriage, at

L£- Plate X. Fic..r;

Beneath the bottom of the feed-box pafles a wooden cylinder, at-

bb, Plate XI. Fig, 2. with excavations in its periphery to receive Fa crain from the fix cells of the feed-box,/"12 0 p 4, and to'deliver it into the fix oblique flues 77, which are made of tin, anë crofs each other, as reprefented in the plate. The ufe of the feed-flues thus in- terfe&ing€ F1“other is to increafe the length of the inclined furface, on which the feed defcend$, that if fix-or eight grains be delivered together, they might fo feparate by their friction in defcending, as not to be fown tog ether in one point, which might be lable to pro- duce tuflocks of corn.

As thefe feed-flues crofs each other, before they pañfs thi Quee the coultér-beam at cc, Plate X. 1. it was neceflary to make three of the round holes of the coulter-beam at one end I ackwardenth an thofe at the other end; and on that account to ufe iron ftaples or

9 rings