Four color catalogue for TEI, Inc. The cover features a picture of a TEI computer over the slogan "Rugged, Reliable, Affordable Computers." There is a description of the company on the inside cover. The back cover has a picture of several TEI user manuals and floppy disks over a background of code. Subsections include information about each computer as well as pictures of different system. The subsections include The Processor Terminals; Terminal Systems; The Mainframes; and The System Software. Technical specifications are included.