United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 191
d rubber for coaction thereAvith. 2. A sound i-eprodiicing machine conipris-10 ing a head, a disk-record and a needle of hard rubber for coaction therewith, saidneedle above its lower pointed portion be-ing hollow. Signed at New York city, in the countyof New Yoi-k. and State of New York, this… … — 6 Attest:
Phonograph · Patents
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