births
Johann Philipp Reis, German physicist and academic, invented the Reis telephone (died 1874)
Related Wikipedia articles
Johann Philipp Reis
German scientist and inventor
Johann Philipp Reis was a self-taught German scientist and inventor. In 1861, he constructed the first make-and-break telephone, today called the Reis telephone. It was the first device to transmit a voice via electronic signals and for that the first modern telephone. Reis also…Source: Wikipedia (CC BY-SA)
Reis telephone
19th-century musical telephone
The Reis telephon was an early sound transmitting device, invented by Philipp Reis in 1857. Reis's first successful work is dated to October 1861. When properly set up, it would allow verbal communication via electronic signals. Many sources credit Reis as the inventor of the…Source: Wikipedia (CC BY-SA)
January 7
Day of the year
January 7 is the seventh day of the year in the Gregorian calendar; 358 days remain until the end of the year.Source: Wikipedia (CC BY-SA)