Bell Telephone Laboratories, 1928, monograph B-349, 25 pages, photographs.
Condition: Very Good, light blue heavy paper covers, stapled wraps, three-hole punched at margin; small crimp to lower right-hand edges of pages. The stapled binding is secure and sound, 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
See all items by H. O. Siegmund