• OS/2 Warp version 4 

        Author(s):Colorado School of Mines. Information & Technology Solutions; IBM
        Date:2018
        Format:born digital; digital photographs
        The Warp OS/2 is a widely distributed operating system produced by IBM designed to support Microsoft Windows applications. Differences between Microsoft and IBM led to IBM assuming full support of OS/2, but it never really ...
      • IBM Port-A-Punch 

        Author(s):Colorado School of Mines. Information & Technology Solutions; IBM
        Date:2018
        Format:born digital; digital photographs
        IBM's Supplies Division introduced the Port-A-Punch in 1958 as a fast accurate means of manually punching holes in specially scored IBM punched cards. Designed to fit in the pocket, Port-A-Punch made it possible to create ...