United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 415
ed in-wardly over the top, a phonograph and its 100casing mounted on said top, and having ashort tube projecting inwardly in a singlecurve directly from its diaphragm holder,and a flexible tube connecting the said shortcurved tube with the extended end of the 105horn. In testimony whereof I have…
Phonograph · Patents
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