IBM 650 installation

With IBM 727 Magnetic Tape Unit and IBM 355 Disk Storage

Watson in office

IBM 650 installation with IBM 727 Magnetic Tape Unit & IBM 355 Disk Storage

This "white room" view of a 650 installation includes two IBM 727 Magnetic Tape Units in the background at left. To their right in the background is an IBM 653 Auxiliary Unit (left) and an IBM 652 Control Unit (right). In the middle is an IBM 650 Console Unit, and to its right is an IBM 355 Disk Storage. In the left foreground are two card punches, and in the right foreground is an IBM 838 Inquiry Station.