Oh, I need me oneathem time machines..
Dream job 145,648,987?
Go back in time and document a Cosmic Radiation field day experiment with some sort of 4x5 view camera (Graflex?) at UIC circa 1961. (EDIT: I have no idea why I listed this as "Circa 1961". Clearly the images are way older. Like, late 1940's.)
Archival Photographic Files, Special Collections Research Center, University of Chicago Library
All images found here