COTTON- WOOL. 



149 



seed with a considerable degree of tenacity, fully Letter to 

 as much as in the common cotton of India These 4 Nov. 1829. 

 are the kinds of American cotton which are most 

 extensively used by the manufacturers of Britain- 

 We also transmit a supply of the seeds of Sea 

 Island cotton (which are black), the wool of which 

 is much esteemed for the fineness and length of 

 its fibre. 



3. We have likewise received six of the ma- 

 chines for cleaning cotton, called Whitney's saw- 

 gin, two of which we shall transmit to your 

 presidency with the cotton-seeds. We have desired 

 our agent to send us a description of the method 

 of using thei saw-gin in North America, and you 

 shall be furnished with a copy as soon as it comes 

 to hand. It is sufficiently clear from an inspec. 

 tion of the machine, that it is put in motion by 

 manual labour, by means of a wheel and winch, 

 with a revolving strap upon the small pulley- 

 wheel that forms part of the machine itself, as 

 shewn in a sketch drawing which will be found in 

 the packet. The large wheel, or first motion, is 

 very simple ; upon which account, we suppose, it 

 has not been transmitted to us from America with 

 the machines. A wheel of this kind can, however, 

 be readily constructed in India. 



4. We have caused a trial to be made in our 

 presence of the working of the saw-gin upon a 

 small quantity of Indian cotton happening to be 

 in our warehouses, which had been very imper- 

 fectly, 



