The theremin device was one of the first electronic music instruments. It was the first to be mass produced. It was invented by Lev Sergeyevich Termen.
A theramin is a theramin. There is another electronic instrument that is essentially a theramin with a keyboard attached called an ondes-martinot, but the two terms aren't really synonyms.
electronic
Leon Theramin
October 1920
a theramin
wintrobe
Computers (or any other technological device from the stone spearhead on) are NOT discovered!
All instruments can sound well if played properly. However, certain instruments, such as the Theramin, are disliked by many.
The anemometer is a device that is used to measure wind speed. It was invented by Leon Battista Alberti. There is no historical mention of a man named Marvin Rosarosa having discovered this device, nor of the result of his discovery.
Survismeter was discovered by Dr. Ufuk Batum, a Turkish scientist and inventor. It is a device that measures the survivability index of organisms under extreme conditions.
Roentgen was a scientist who investigated radiation. ----------------------------------- He discovered x-rays. Took the first x-ray of his wife's hand, when she saw it she was upset and remarked something about seeing her death.
He discovered the female pleasure device, when one day he slipped with his candle stick and it penetrated his butt.