United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 260
No. 666,716. Patented Jan. 29, 1901. L. P. VALIQUET. DIAPHRAGM FOR SOUND BOXES. (Application filed June I, 1899.) No Model.) IZ^T^€/.JZ . i?r^-Lo. ^, … INVENTOR WITNESSES; Z^/^/C&r^ BY ^•M^ ATTORNEY THE NOHHIS PETERS CO . PHOTCVUTHO,. WA5HINQT0N. O. C,
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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