Introduction to Exchange Systems

John Wiley and Sons, London, UK. 1976. Hardcover. First Edition. Book is tight, square, and unmarked but for a F/O name on the FFFP. Book Condition: Near Fine; light bumping to head and tail. DJ: Near Fine; light bumping to DJ edges; light rubbing to panels. Red cloth boards and spine with bright gilt lettering on the spine. 326 pp 8vo. This is a book on public switched telecommunications networks and telephone exchanges in particular, which deals with the transition from existing types of electro-mechanical exchanges to new electronic types. It attempts to promote an understanding of the rationale of current and future exchange design, It explains and describes exchange systems n general and establishes the requirements and problems of existing and projected exchange systems. A clean very presentable copy in a Brodart mylar jacket.