Box 14
Container
Contains 1 Collection or Record:
Notebook containing a published article, Ricker et. al., Frequency Measurement in Electrical Communication,
as well as photographs., c.1923.
File — Box: 14, Folder: 9
Scope and Contents note
From the Series:
Notes for papers and lectures, seismic diagrams, correspondence and memoranda, and patents.
Dates:
c.1923.