If EW THRASHINO MACHINE. *277 



That it is about three feet diameter, and about two feet 

 aix inches in length. 



That two horses are quite sufficient to work it ; that from 

 half past seven to two o'clock they will, without fatigue, 

 thrasl) two loads of wheat, each of torty bushels. 



That he thinks the straw is not so much broken as with 

 other machines. ' . 



That the van*;8 within fhe cylinder turn frona one hundred 

 to one hundred and twenty times round for one round of the 

 horses, in a space of twenty-two feet diameter. 



That there are four vanes within the ^rum or cylinder, 

 each vane one inch and a half thick, and enclosed to within 

 about three iiiches of their exterior edges; that the drum or 

 cylinder, within which the vanes turn, is close-fluted with 

 wood of about an inch thick, and is in movable parts, so as 

 to admit of being placed nearer to, or farther from, the 

 vanes, as the corn to be thrashed may require. 



That he has erected two of these machines on his estate, 

 and has used them for three years. 



A note se. t to the Society by William Wright, of Henley Price, 

 upon Thames, Oxfordshire, the maker, states, that the price 

 of a thrashing raabhine on this principle, including the horse- 

 wheel, is forty-eight pounds, at his manufactory there. 



Reference to the Engraving of Mr, Lee's Thrashing Ma* 

 chine, PL VII, Fig, 4 and 5. 



Fig. 4 and 5 are a side and end-view of the machine; A, Explanation of 

 in both figures, represents the framing of the machine; B is *^® ?h^^» 

 the shaft of a cog-wheel C, which is turned by cog-wheels, 

 from the great horse-wheel, in the same manner as the ordi- 

 nary thrashing mill ; the cog-wheel C turns a small p-inion D, 

 to which it gives a rapid revolution ; on the axis of the pinion, 

 the beaters EE are tixed, and revolve with it, within a seg- 

 ment or drunr, formed of iron plates, grooved or ribbed, pa- 

 rallel to the axis, as the tigure represents, and connected to- 

 gether by wooden curbs FF, to which they are screwed, 

 a a is the feeding board upon which the corn is placed to en- 

 ter the machine. The end of this board is fixed very near 

 to the four vanes, or beaters, b b b b; as these revolve rapidly 

 they strike the heads of the corn upwards, with such a jerk 



as 



