The most frequent autonomic symptoms associated with multiple system atrophy are a sudden drop in blood pressure upon standing (orthostatic hypotension), urinary difficulties, and erectile dysfunction in men.
The IBM Selectric typewriter was a highly successful model line of electric typewriters introduced by IBM on 31 July 1961.
Encyclopedia Britannica says that Thomas Edison invented the first electric typewriter in 1872, but it was only used to report stock market transactions. In 1902, George Carfield Blickensderfer invented an electric typewriter with a typewheel.