United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 44
ed to the lifting-j)iece and moving in fixedbearings upon the table, a cam secured to 50the lifting-bar, a rod connecting the switchthereto and adapted to be operated by thecam, and means for raising and lowering thelifting-bar, substantiallj^ as set forth. In testimony of all of which I have here-…
Phonograph · Patents
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