. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. 68 BELL SYSTEM TECHNICAL JOURNAL. ^ ^ 8d 5 10 16 20 25 30 36 40 45 60 55 60 65 70 75 80 85 90 X = Defectives in Universe AT = 900, 11 = G99 CHARTS A. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Telephone and Telegraph Company. [Short Hills, N. J. , etc. , American Telephone and Telegrap
. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. 68 BELL SYSTEM TECHNICAL JOURNAL. ^ ^ 8d 5 10 16 20 25 30 36 40 45 60 55 60 65 70 75 80 85 90 X = Defectives in Universe AT = 900, 11 = G99 CHARTS A. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Telephone and Telegraph Company. [Short Hills, N. J. , etc. , American Telephone and Telegraph Co. ]
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
