United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 435
THE NORMS PETERS CO., WASHINGTON. O. C. No. 830,689. PATENTED SEPT. 11, 1906. L. P. VALIQOET.SAFETY DEVICE FOR SOUND BOXES FOR TALKING MACHINES. APPLIOATIOH FILED MAY 3, 1904. 2 8HEET8-8HEET 2. FiaS … <^sm^mim««ss«<mssA Fia&
Phonograph · Patents
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