Develop High Pressure Device. Robert Williams (left), assistant, and Dr. Thomas Poulter, director of the Research Foundation of the Armour Institute of Technology, demonstrate the new device they have developed for producing the record pressure of 1,500,000 pounds per square inch. This pressure, exceeding anything heretofore attained, will open up many new fields of research.

Wide World Photos, Inc. · [ca. January 1938]

[Information from item housing] Inventions