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 invented the first typewriter with the help of S. W. Soule and G. Gidden. In 1868 the typewriter was patented and in 1873, the typewriter was manufactured by a company called Remington Arms.