United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 624
the receiver. 50a lip h inside the opening arranged to trans-mit the sound waves therefrom into the fun-nel, a lip as c in the funnel arranged to trans-mit the sound waves through the funnel, anda pocket below each of the lips b, c, substan- 55tially as described. In testimony whereof I have…
Phonograph · Patents
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