Box 21
Container
Contains 1 Collection or Record:
Notebook containing prints and handwritten calculations. Entitled, Theoretical and Experimental Seismograph Research.
, n.d.
File — Box: 21, Folder: 7
Scope and Contents note
From the Series:
Predominately notes, calculations, photographic negatives of figures, and text of Ricker's book.
Dates:
n.d.