United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 674
entricand a shoulder or projection on the arm adapt-ed to engage behind and lock the hook intoengagement with the eccentric, substantiallyas described. In testimony whereof I have signed thisspecification in the i:)resence of two subscrib-ing witnesses. THOMAS H. MACDONALD. Witnesses: Clement… … ^f 1^5^ jsr
Phonograph · Patents
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