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.
In 1714 a patent something like a typewriter was granted to a man named Henry Mill in England in 1714. There is no example of his machine that exists today, but in 1829 William Burt from Detroit Michigan patented his typographer which had characters arranged on a rotating frame.