United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 235
ence, and the 45surfaces of said cams overlapping in such amanner that the lifting operation of one camtakes place during the holding operation ofthe preceding cam, substantially as set forth. This specification signed and witnessed 50this 21st day of March, 1905. . EDWARD L. AIKEN. Witnesses:…
Phonograph · Patents
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