United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 873
ATTORNEY COLUMBIA PLANOGRAPN CO.. WASHINGTON, D. C. A. C. DIEHL. SOUND BOX. APPLICATION FILED AUG. 31, 1910. Patented Oct. 12,1915. 5 SHEETS-SHEET 4. … JMent C.BieM. ^/^cS.^^^^f ATTORNEY COLUMBIA PLANOQRAPH CO., WASHINGTON, O. C. 1,156,217. A, C. DIEHL. SOUND BOX. APPLICATION FILED AUG. 31, 1910. JZig.JZ Patented Oct. 12,1915. 5 SHEETS-SHEET 5.
Phonograph · Patents
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