Box 87
Container
Contains 2 Results:
Commission des Constantes Radioactives, 1930 November 24-1947 May 21
File — Box: 87, Folder: 1
Dates:
1930 November 24-1947 May 21
Joint Commission on Standards, Units, and Constants of Radioactivity, 1949 June 21-1950 December 21
File — Box: 87, Folder: 2
Dates:
1949 June 21-1950 December 21