Patent- Method and Apparatus For Sound Reproduction
Image Not Available
Documentary
Otto Sandvik
Maker
Eastman Kodak Company
American, estab. 1892
Patent- Method and Apparatus For Sound Reproduction
July 7, 1931
Width: 8 in.
Length: 12 in.
Gift of Eastman Kodak Company
Inscriptions Assignee: Eastman Kodak Co. Cover page
