t Si ] 



tlerfides of the frame, when the flice is to be thin- 

 ner, in proportion thereto. The flice is cut exactly 

 as a carpenter's inftrUment, called a fpook-fhave, 

 &c. takes its fhaving, only the turnep-knife cuts 

 both backwards and forwards. There is alfo a 

 contrivance for cleaning the eye of the frame, A. 

 fig. 2. when the knife is placed upon it, viz. when 

 the Aider is pulled, &c. as much to one end as the 

 itrop will admit, there is a piece of hard wood, 

 nailed upon a crofs bar, at I. fig. i. which pro- 

 jects about an inch towards the infide of the ma- 

 chine, and is fo thin as to ram in below the edge 

 of the knife, whatever flice it is fet to form, for it 

 is not fo thick as the leaf jlice the inflrument can 

 make, viz. half an inch, and thereby clears the eye ; 

 at each end there is the fame contrivance, which 

 effectually prevents any interruption in the cutting. 

 The way to ufe the machine is very eafy and na- 

 tural j for as foon as the hopper is filled at ran- 

 dom, by throwing up a bafket full at a time, two 

 men fet themfelves down on (tools, &c. placed 

 conveniently, and pur out their feet again {I the 

 pofts of the machine, then take the rounds in their 

 hands, about the places marked B. B, B. B. in fig. 

 2. and fo pull the frame backwards and forwards 

 as aboveiuid ; and, from their pofition of body, 

 they have great power, the extenfors of the legs, 

 thighs, back, and arms, being mutually employed 

 in the fame advantageous manner as in rowing a 

 boat, 8re. The knife, at every pufh, &c. partes 

 quite through the hopper into a cavity in the end, 

 where no turneps can enter, becaufe it is not above 

 two inches high, and exactly as wide as the knife 

 is broad ; indeed, if the turnep is fo fmall as to go 

 into -thefe dimenfions, it will be driven in un- 

 doubtedly; but will be fliced by the knife as nicely 



E ?. as 



