ISBN: 9780471018650 - introduction to exchange systems (2 risultati)

Condizione: good. A copy that has been read, remains in good condition. All pages are intact, and the cover is intact. The spine and cover show signs of wear. Pages can include notes and highlighting and show signs of wear, and the copy can include "From the library of" labels or previous owner inscriptions. 100% GUARANTEE! Shipped with delivery confirmation, if you're not satisfied with purchase please return item! Ships via media mail.…

Hardcover. Condizione: Near Fine. Condizione sovraccoperta: Near Fine. 1st Edition. 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.…