United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 139
ended fromsaid sound board. In testimony whereof I affix my signaturein presence of two witnesses. OTTO B. COLE.Witnesses: George B. Rawlings,Agnes V. OConnell. 15 Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. Graphophoee… … 1 1 A i i \ / \ :: :; / \ / ^ *s \ 1 > r,-4 h* \ \ > i ■ &\ ; !^ \ \ ioV\ n| / \ Icg.? j
Phonograph · Patents
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