Content Description The John O. Bull Boeing Escape Systems Collection is a small collection consisting of visual and audiovisual materials related to Boeing Escape Systems, collected by John Bull during his career at the Boeing Company in the 1960s-1970s.Two 16mm films depict seat testing: "No. 601-6-F Tough Sledding" and "Selected Portions of an Assortment of Tests involving the Boeing-Wichita Staff." There are also six photographic prints related to ejection seat testing. Additionally, there is...