1957 Press Photo Developed in Britain System for Testing called Autosonic

Sound Inspection Developed in Britain is a system for testing materials called Autosonics. It consists of a probe that transmits sound into the material in a sequence of energy pulses. The pulses, registered on a cathode ray tube, show up any flaws. The

Photo is dated 1957.

Photo measures 8.25 x 10 inches.

Photo back: