Tech History Today – Nov. 14

In 1922 – The BBC sent its first transmission from station 2LO at Marconi House London. The first newscast was read by Arthur Burrows, first Director of Programmes.

In 1971 – The American space probe Mariner 9 began orbiting Mars becoming the first spacecraft to successfully orbit another planet.

In 2007 – The last Direct Current electrical distribution system in the US was shut down by Con Edison in New York.

Like Tech History? Purchase Tom Merritt’s Chronology of Tech History at Merritt’s Books site.