United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 613
ribed. 14. An ovoidal amplifier for sound re-producing machines the Avails of the larger 75end of which are capable of absorbing soundAvhereby deflection across the axis of theamplifier is prevented, substantially as de-scribed. In testimony whereof, I have signed my 80name to this specification in… … 10 9 ri(^ 5 Patented July 26,1910.Fig, 5
Phonograph · Patents
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