Reference Data for Radio Engineers Published by International Telephone and Telegraph Corporation 

4th Edition ©1956.  Includes ITT Bookmark and Nomograph Straightedge as show in photos.

Excellent condition for age.  No markings, bend, stains, damage, etc. to pages.  Slight wear to edges.  Binding split at page 3 only. Previous owner name and book stamp inside cover and on front end page. Please see photos for additional condition details.