United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 961
n,I claim: 1. A record tablet having a recording sur-face consisting essentially of a composition ofozocerite and paraffin in suitable propor- 70tions. 2. A record tablet consisting essentially ofa composition of equal parts 01 ozocerite andparaffin. Signed at New York, N. Y. this 4th day of… … M / 10 -L, = J3 7
Phonograph · Patents
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