<P> The IBM Selectric typewriter was a highly successful model line of electric typewriters introduced by IBM on 31 July 1961 . </P>
<P> The IBM Selectric typewriter was a highly successful model line of electric typewriters introduced by IBM on 31 July 1961 . </P>
when did the ibm selectric typewriter come out
when did the ibm selectric typewriter come out
31 July 1961
31 July 1961