Angus, Donald James (D.J.), “Indiana. Print shop, 1934,” Digital Collections, accessed April 15, 2025, https://digitalcollections.library.gvsu.edu/document/23899.
F.C. Angus printing charts for the Esterline-Angus millameter graphic recorder. The instrument was used by the team, led by Enrico Fermi, to record the first controlled, sustained nuclear reaction in 1942. 16mm film shot by D.J. Angus in 1934. [1:24]