He shows that his method of figuring the latitude of forms is applicable to the movement of a point, on condition that the time is taken as longitude and the speed as latitude; quantity is, then, the space covered in a given time. In virtue of this transposition, the theorem of the "latitudo uniformiter difformis" became the law of the space traversed in case of uniformly varied motion; thus Oresme published what was taught over two centuries prior to Galileo's making it famous. Diagrams of the velocity of an accelerating object against time in "On the Latitude of Forms" by Oresme have been cited to credit Oresme with the discovery of "proto bar charts".