American Telephone and Telegraph Co., NY 1965, pp 547-729 inclusive, diagrams, some photos, references.
Condition: Very Good, light blue cardstock covers, softcover, slight sunning to spine and shelfwear to covers, prev. owner's name at upper righthand corner. The binding is tight, pages clean, unmarked.
Keywords: bell system technical journal
See all items by number 4 The Bell System Technical Journal vol XLIV, April 1965