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XII. Defcriptkn of a Machine by which the Strength of 

 Horfs may he employed to knead Fajle for baking Bread, 



J/h I S machine might be ufeful in armies and in the 

 hofpitals of large cities, as it would produce a great faving in 

 regard to the number of hands employed. Two horfes, 

 going round in a circle, give motion to a kind of peftles, 

 which, by their adion, continually knead the pafte. 



Fig I (Plate VII.) reprefents a plan of the tub which 

 contains the pafte. This tub, which is fix feet in diameter 

 in the infide, confifts of thirty-eight ftaves, and refts on a 

 wooden frame in the form of a crofs, the extremities of 

 which are feen at A,B,C,D. (Fig. I.) The bottom of the 

 tub is formed of ftrong planks, the ftruaure of which will be 

 feen in the next figure. - , n- 



Fig 2. reprefents a tranfverfe feftion of the tub paffing 

 through the centre; E, the edge of the ftaves thicker at the 

 bottom than the top, and funk into the lower crofs, F. 

 G G, G, {hows three iron hoops for binding together the 

 ftaves. The bottom, H, fupports the wooden cylinder, I, 

 which is in the centre of the tub, fixed in its place by three 

 iron bolts fimilarto that marked K, and feparated from each 

 other as exprefl'ed by the points L, Fig. 3. 



M an iron arbor of the form of an inverted cone, the 

 loweJ point of which refts on the brafs bed, N, and is kept 

 perpendicular by a brafs collar funk into the upper end of 

 the wooden cylinder, having the form indicated m F>g. 3. 

 with its three ears, made faft by the fcrews P, P, P. 



This brafs collar is covered with a thin plate of iron 

 marked Q, which receives the heads of the large bolls, K, 

 which alfo pafs through a fimilar plate, R, in the bottom of 

 the tub, H : the bottom plate receives the nuts of the bolts. 



S Fig 2, is the upper crofs, which turns, fixed to the 



iron arbor, M, and to which are fufpended the four wooden 



peftles, two of which are vifible in this fedion at T and V, 



aod of which the relative pofitions are indicated by X,X, X, A, 



9 F'g' 



