Related Object Info
comparative display of old cam with IBM ASCC-Mark I cam
Two cams mounted side by side, for comparison, on a rectangular metal plate perpindicular to a thin, rectangular metal base. Left cam is much larger, consisting of a brown wheel with shallow grooves over about one half of its circumference. It is designed to make contact with a long lever. Right cam [New Style] is much smaller, consisting of a blue and white wheel with many gooves all the way around. It it makes contact with a small piece of metal attached to a white bar.
