Rockin’ Patent – John M A Stroh’s “Violin Or Other Stringed Instrument”
Rockin’ Patent: US Patent No. 644,695 Filed: 21 August 1899 In the name of: John M A Stroh Title: Violin Or Other Stringed Instrument What’s claimed: “A stringed musical instrument, comprising in its construction a bridge supporting the strings, a rocking lever connected with the said bridge and supporting the same, a diaphragm held and supported at the edges and adapted to oscillate in the center, a transmitting device situated between the extremity of the rocking lever and the diaphragm and adapted to transmit oscillations from the said lever to the diaphragm, a resonator situated in proximity to the diaphragm […]
