United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 527
stress and con-necting the bifurcations to the diaphragmsand to each other. 100 In testimony whereof I affix my signaturein presence of two subscribing witnesses. JOSE HOFFAY.Witnesses: Alfred Day,Walter Day. Copies of this patent may be obtained for five cents each, by addressing the Commissioner… … ^B.E- wit*
Phonograph · Patents
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