The brochure discusses all aspects of the ELECOM 120 computer in a format similar to product documentation. The ELECOM 120 is described as a compact electronic computer for business and industry that is versatile and low-cost. The front cover shows an abstract design on a black background with a black and white photograph of the computer. The back cover shows the same abstract design. The front inside page has a numbered table on contents. Other pages includes lists of operating instructions and their code equivalents. Text contents include: Internal memory; Auxiliary memory; Input-output; Word structure; Circuitry; Coding; Manual control; Test facilities; Checking.
promotional materials; Business applications; Digital computer: mainframe; Underwood Corporation. Electronic Computer Division; ELECOM 120 (Computer)