Learn about the process of making steel.

Of Raw Materials

210. Although the cost of any article may be reduced in its ultimate analysis to the quantity of labour by which it was produced; yet it is usual, in a certain state of the manufacture of most substances, to call them by the term raw material. Thus

On The Causes And Consequences Of Large Factories

263. On examining the analysis which has been given in chapter XIX of the operations in the art of pin-making, it will be observed, that ten individuals are employed in it, and also that the time occupied in executing the several processes is very