Pneumatic Bricks | University of Illinois Archives
Caption accomplanying photo reads, "Maj. George W. McCauley (left) AF [Air Force] and Prof. Ambrose C. [sic] Richardson examine 'pneumatic brick.' In foreground is demonstration dome made of these 'bricks.'"
Found in RS: 39/2/20, Box COL - 3, Folder COL - 3-2 Architecture 1955-6
Negative Number: 8173, Record Series 39/2/22.
This image has been scanned from the negative