In 1926, a group led by Royal Sorensen at the California Institute of Technology investigated vacuum switching and tested several devices; fundamental aspects of arc interruption in a vacuum were investigated.
A group led by Royal Sorensen at the California Institute of Technology investigated vacuum switching. This was in 1926. A group led by Royal Sorensen at the California Institute of Technology tested several devices. This was in 1926. Fundamental aspects of arc interruption in a vacuum were investigated.