Meanwhile James Watts had invented his mechanicalmonster — the steam engine — that was to change theliving patterns of the whole world. And the industrialdevelopment of the world demanded establishment ofa better postal system.
In 1837 Sir Rowland Hill, after having completed ex-haustive studies of the postal service then in effect, madepublic his revolutionary idea. This was, reduced toits simplest expression, merely the fact that it cost nomore to deliver a letter a hundred miles than it did to
deliver one a few city blocks. After three years of push-ing his claims the idea was officially adopted and alongwith it the means of collecting postage in advance — thepostage stamp.