Analysis of information sources in references of the Wikipedia article "Electric piano" in English language version.
the RCA Storytone piano was built in 1939 in a joint venture between Story & Clark and RCA. The case was designed by John Vassos, the famous American industrial designer. This piano is one of only 150 made and comes with its original bench. It is the world's first electric piano, and it debuted at the 1939 World's Fair, ... The piano has normal strings and action but no soundboard – the sound is amplified through electromagnetic pickups, circuitry and a speaker system, making it the world's first commercial electric piano.
the RCA Storytone piano was built in 1939 in a joint venture between Story & Clark and RCA. The case was designed by John Vassos, the famous American industrial designer. This piano is one of only 150 made and comes with its original bench. It is the world's first electric piano, and it debuted at the 1939 World's Fair, ... The piano has normal strings and action but no soundboard – the sound is amplified through electromagnetic pickups, circuitry and a speaker system, making it the world's first commercial electric piano.
The first electric piano, the Storytone, was built in 1939 in a joint venture between Story & Clark and RCA....The company went on to develop the first electric piano in partnership with RCA in 1939 and today they continue the tradition with PNOscan.
