MACHINERY. 27 



employed in the cotton and woollen, the silk and 

 linen, manufactories ; these, while they abridge 

 human labour in many respects, create a demand 

 for it in other directions, and thus the older 

 and more experienced members of families' find 

 abundant employment. 



, Much labour and ingenuity and expense being 

 incurred in the invention and construction of 

 machinery, the owner of a costly improvement 

 naturally wishes to employ it as far as he can to 

 his individual advantage. He is desirous of 

 obtaining some adequate remuneration for the 

 money he has expended or the talent he has 

 excited, in order to possess himself of a machine 

 calculated to supersede in some degree the opera- 

 tion of mere manual labour. But still the 

 machine itself must be worked, and this cannot 

 be done without human laboiu* employed at 

 least in its superintendence. Now the price, 

 he will pay for the labour required, will be in 

 proportion to the necessity he feels for it, arising 

 from its productiveness and from the demand 

 for the manufactured article thus furnished. And 

 as the ingenuity and skill required in the super- 

 intendence of complex machinery are not of 

 ordinary attainment, the wages of persons thus 

 employed will bear a proportion to the value of 

 their labour. Hence it will appear, that in all 



d2 



