| http://www.w3.org/ns/prov#value | - March 31, 1923 - First U.S. dance marathon held in New York City; Alma Cummings set record of 27 hours.May 29, 1923 - Thomas A. Edison received a patent for a Stylus Mounting (mountings for phonograph styli formed of a jewel, such as diamond or sapphire, and in which the sylus is partially enclosed in a metal holder and projects from a reduced end portion thereof). provided for stylus to be fi
|
