Box 14
Container
Contains 1 Collection or Record:
Notebook containing typed memoranda and blueprints. Entitled, Large Free-Rigged Diaphogus of Double-Conical Structure for use as loud speakers.
, 1922.
File — Box: 14, Folder: 1
Scope and Contents note
From the Series:
Notes for papers and lectures, seismic diagrams, correspondence and memoranda, and patents.
Dates:
1922.