Contents of the Collection The Holden Withington Boeing SST Poster Collection is comprised of four posters, circa 1960s, related to the Boeing SST program and were probably used as motivational posters for the designers. It is likely these were collected by Withington during his 1941-1983 employment with Boeing. The posters are 20x28" and include bold colors, psychedelic fonts, and puns on the slogans. The slogans on the posters are all reminders about keeping the SST designs lightweight.The...