Bell Telephone System Technical Publications, Monograph B-573, 26 pages, diagrams; orig. published The Bell System Technical Journal July 1931.
Condition: Very Good or better condition, light blue heavy paper covers, stapled binding, some sunning to margins. The binding and staples are tight, pages clean and unmarked.
Categories: 1950's computers and computing, Databooks, Handbooks, Manuals, Electronic and Electrical Engineering, Hardware, Technical Journals, Proceedings, Conferences, Bell System Technical Journals, BSTJ pre-1940