1. A METHOD OF FORMING A GEAR FROM A GEAR BLANK BY ROLLING, WHICH COMPRISES SUPPORTING THE GEAR BLANK, APPLY ING A PLURALITY OF SUCCESSIVE FORCES TO A SURFACE OF THE GEAR BLANK IN A DIRECTION TOWARD THE AXIS THEREOF AND SUBSTANTIALLY AT RIGHT ANGLES TO THE ROOT OF A TOOTH TO BE FORMED THEREIN, THE FORCES BEING SUFFICIENT TO SUBSTANTIALLY UNIFORMLY DEPRESS THE METAL OF THE BLANK OVER ALL PORTIONS OF THE BLANK TO WHICH THE FORCES ARE APPLIED, AND THE FORCES BEING APPLIED ALONG A LINE LATERALLY TO THE WIDTH OF THE BLANK, SUBSEQUENTLY MOVING THE BLANK TOWARD