Beauchamp, George (Delmetia )
- Laurence Libin
(b Coleman County, TX, March 18, 1899; d at sea nr Los Angeles, CA, March 30, 1941). American inventor of musical instruments. He was co-founder of the National Stringed Instrument Corporation and the Rickenbacker guitar company. He played the violin and the lap steel (‘Hawaiian’) guitar in vaudeville before settling in Los Angeles, where he worked with John and Rudy Dopyera to develop an acoustically amplified guitar, probably inspired by Stroh models. An early model with a Victrola horn failed, but trials using conical aluminium resonators within a metal guitar body (a prototype of the three-cone Dobro guitar) proved successful and attracted investors. Production of metal-body guitars under the name National soon involved Adolph Rickenbacker’s nearby tool and die shop.
From the mid-1920s Beauchamp also experimented with electrical amplification of guitars (including lap steel and bass guitars) and violins of unconventional shape, without normal resonators but using simple phonograph pickups. After his collaboration with the Dopyeras ended, in ...