United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 467
1,258,498. W. STUEBING, Jr. & L. J. VAN GUELPEN. RECORD FILING MECHANISM. APPLICATION FILED MAR. 17, 1916. Patented Mar. 5,1918. 3 SHEETS-SHEET 2. mtrnzzzzzzzzzz^z^zzzzzzzzzzzzzzzzzzz r<:$. z. … 92 T7TTac -3/ ; bJttne55Q5
Phonograph · Patents
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