Box 5

Scope and Contents Physics Dept. Annual Reports 1917-1933 and n.d. Also notes. Letters on M's 80th birthday (Dec. 1944-June 1945 and n.d) from Pres. Day (April 16, 1955), many others. Copies of M's letters re sub detection written after Pearl Harbor (dated Jan. 1941-Feb. 1942, but judging from contents, "Jan 1941" would appear to be "Jan 1942.") A reply from R.P. Briscoe, Commander, U.S.N. (Feb. 2, 1942). "Report on the Practicability of Magnetic and Electric Methods for the...