Show 4 x Thel Production of paper the production of paper ia is perhaps more closely regulated by the law of supply and demand than any other manufacturing process in tho the earlier days of paper making there was little demand for it as it was necessary to arito books by hand or to print them from engraved plates the invention of the printing press created the first demand for paper pape r which caused its manufacture to become a profitable industry the hand method of paper making was followed for many years and discontinued I 1 only upon the invention of the cylinder press this invention gave each such an ail impetus to tho the distributing of printed matter that hand paper maker makers were unable to e supply the demand hence a new order of things was inaugurated and machinery for the making of paper was perfected with great rapid rapidity ity engineering magazine |