TREATING OF CONTRIVANCE 



amongst all the partes : and albeit carts are cheaper 

 for levelling than wheel-barrowes,if the way of car- 

 riage be not very short ; yet if you do not set as 

 many men to fill the carts, as may have the one full 

 against the other come in, and no more, you lose 

 considerably; arid this will be according to the dis- 

 tance of the carriage, or as the earth is capable of 

 being wrought : and so with wheel-barrows ; three 

 barrows for two wheelers and one filler sometimes 

 doth well; sometimes more fillers or fewer wheelers ; 

 yet still let them have a spare-barrow; and if this 

 could be done with carts also, it would be of great ad- 

 vantage. Wherefore, in my opinion, there is no way 

 so expeditious to worke this effect, as the carts with 

 three wheels, whereby two men with two of these 

 carts, and one horse, can do as much as three men, 

 two horses, and two carts ; for one man to fill the 

 spare cart, the other man to drive the one horse ; 

 and when he comes in, he has nothing to do, but 

 take the traces and hooks of the empty cart, and 

 puts upon the rings of the full one, and so drive on. 

 This cart has no trams or limbers, but a swingle- 

 tree or breast-board before, where the rings that 

 keep the traces are: it has a handsome folding body ; 

 the third wheell is about thirty inches in diameter, 



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