United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 230
i^^^<^^ JS,*/V^Z^^^ Jlii^ S PETERS CO. PHOTO-UThO WASHINGTON. D C. I (No Model.) 2 Sheets—Sheet 2. W. G. HENDERSON. SUPPORT FOR PHONOGRAPH SPEAKING TUBES OR OTHER PURPOSES. No. 493,719. . Patented Mar. 21, 1893. Z^ s^ … ^6 Jbtty. S PETCftS CO.. PHOTO-LITHO . WASHINGTON. D C. United States Patent Office. WILLIA:\[ G. HENDERSON, OF WASHINGTON, DISTRICT OF COLUMBIA. SUPPORT FOR PHONOGRAPH SPEAKING-TUBES OR OTHER PURPOSES. SPECIFICATION forming part of Letters Patent No. 493,719, dated March 21, 1893. Application…
Phonograph · Patents
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