MEMOIR OF DANIEL TREADWELL. 



SCO 



The flax, being supplied to the cylinder, and passed between the rollers, is drawn through 

 the points as through a hatchel. Several of these rovings are then just put together, and th 

 process is repeated until the fibres are sufficiently reduced for spinning." 



The first of 



of hemp into p 



five operations of rope-making consists in d 



out 



fibres 



pi 



fibres, if need be, and 



P 



of the material, the tow, and any dust or foreign matter which would 



terfere with the subsequent p 



When this is done by 



workman 



takes a mass of the material by one of its ends and draws it through a number of 

 Ion or prongs of polished steel set in a 



o 



movement until 



* 



by the other end 



lib 



P 



i a block of wood called a hachlt. repeating the 

 el and clean; he then takes the ma— of hemp 

 for the end which before he had grasped. 



Fig. 1. 



Mr. Tread well's machine for performin 



the same work is described in his 



pecification 



a 



improved machine for dressing, combing, or hatchelling hemp, 



ices."* It consists essentially of two cylinders of 



d other fibrous substa 



qual diameter, set in a wooden fra 



parallel. The great cy 



de 

 dii 



r is 



pi 



ered w T ith rows of 



points 



or 



teeth 



ed in the 



of 



motion ; 



1 



shaft runs in boxes on the frame, and is furnished 



fixed and loose pulleys, m m, n W, e e, D d. Fig. 2 



On the same frame is placed the 



small cylinder, covered with straight teeth smaller than those of the great c\ 



* More commonly called "a circular hatchel or lapi>cr." 



