- Title
- Selection of materials related to Reginald Fessenden's 'Sound Producer,' U. S. Patent #1,277,562, September 3, 1918, 'Loud speaker,' and other similar patents.
-
-
- Date
- 1918 - 1927
-
-
- Creator
- ["Fessenden, Reginald Aubrey, 1866-1932."]
-
- Local Call Number
- PC.1140.25
-
-
- MARS ID
- 167.6.3.5 (Folder)
-
-
Selection of materials related to Reginald Fessenden's 'Sound Producer,' U. S. Patent #1,277,562, September 3, 1918, 'Loud speaker,' and other similar patents.
Select what you would like to download. If choosing to download an image, please select the file format you wish to download.
Please note full document download may take several minutes (PDF only).
Certain download types may have been restricted by the site administrator.
Select the document elements you would like to include in the embed code.