Box 1
Container
Contains 18 Results:
News clippings on "Deaf Speaker" bone conduction hearing aid
File — Box: 1, Folder: 14
Dates:
1891-1984.
Letters to the Burts re Dictograph,, Oct. 3, 1930-Feb. 27, 1936
File — Box: 1, Folder: 16
Dates:
Oct. 3, 1930-Feb. 27, 1936
Bibliography, 1892-1900 (see accession folder for detailed list), 1892-1900
File — Box: 1, Folder: 18
Dates:
1892-1900