File Unnumbered In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974 » Lantern Slides
File 83-inch cyclotron diagram with proposed four magnets, undated Box 6 In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974 » Lantern Slides » Unnumbered
File Cyclotron, undated 2 slides Box 6 In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974 » Lantern Slides » Unnumbered
File Downer, undated Box 6 In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974 » Lantern Slides » Unnumbered
File Equipment room/general assembly area for new cyclotron, North Campus, undated 2 slides Box 6 In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974 » Lantern Slides » Unnumbered
Folder Negatives In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974
File Bardwick, John, undated Box 6 In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974 » Negatives
File Cyclotron personnel, undated Box 6 In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974 » Negatives
File Downer with 83-inch cyclotron under construction, undated Box 6 In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974 » Negatives
File Downer, March 1971 Box 6 In: William Charles Parkinson Papers, 1950-1997 (majority within 1950-1980) » Visual Materials, 1928-1974 » Negatives