Box 14
Container
Contains 1 Collection or Record:
Copies of patent documents marked, Electromagnetic Prospecting,
containing numbers 1803405, 1934447, 1960027, 1960028, and 1859005
File — Box: 14, Folder: 18
Scope and Contents note
From the Series:
Notes for papers and lectures, seismic diagrams, correspondence and memoranda, and patents.
Dates:
1916-1978