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. Christopher Latham Sholes (February 14, 1819 â February 17, 1890) was an American inventor who invented the QWERTY keyboard, and along with Frank Haven Hall, Samuel W. Soule, Carlos Gladden and John Pratt, has been contended as one of the inventors of the first typewriter in the United States.