COTTON-WOOL. 



297 



that some mechanicians will turn their attention Letter from 



C. Lush, Esq. 



to the construction of something on a large scale, to e. h. 



, . Townsend, 



which will give the required pressure to a number Esq. 

 of iron rods rolling backwards and forwards upon 

 a hard stone. A machine easily made and repaired, 

 and capable of being worked in the open air, for 

 continued exposure to the sun is required to pre- 

 serve the seed of a proper degree of elasticity to 

 prevent its being crushed. 



