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.
Christopher Latham Sholes (February 14, 1819 â February 17, 1890) was an American inventor who invented the first practical typewriter and the QWERTY keyboard still in use today. He was also a newspaper publisher and Wisconsin politician.ypewriters had been invented as early as 1714 by Henry Mill and reinvented in various forms throughout the 1800s. It was to be Sholes, however, who invented the first one to be commercially successful.