United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 180
ly as set forth. 5. In a phonograph, the combination withthe rocking holding arm, of a lever pivotedthereon carrying a cutting tool at its forwardend and having a forked shank embracing a 50cam, by the turning of which the position ofthe cutting tool is adjusted, substantially asset forth. This…
Phonograph · Patents
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