This is a 1964 ad for a Caterpillar Geared Roller Test Machines! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'From Caterpillar research... Comes a new testing device to study the twin problems of metal surface fatigue and lubrication failure' The ad is in good overall condition, with pieces of the corner missing from the upper left and lower right. This vintage ad would look great framed and displayed! Add it to your collection today!