My first exposure to line printers was through a Control Data mainframe at a University in the mid '70's. There were a few Control Data printers at centralized

My first exposure to line printers was through a Control Data mainframe at a University in the mid '70's. There were a few Control Data printers at centralized locations, and user operated Univac printers more scattered. Both used 14 7/8 paper with 132 columns.