. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. WORLD-WIDE TELEPHONY 491. zo cc jirio ^<(0 HQ -; 1 ) -J UJ £zuO o UliOZ O CO z !r I-'-' U t K LU O (/) -I (Tin no DO Li. CD D uj U oto o: uu ^ uj> |iJ zQ: 5 -1(0 > Z of I- So 8 U CC Z 2< 5 <x cr 10 <o I- :o i<z i<cc 0(0 I u too^i ~) ^ h- oo ui^ l-Z "^ ^(/1 UJ u Ice 2 .52 (0 1- CD c_^ o c en be IZ. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration
. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. WORLD-WIDE TELEPHONY 491. zo cc jirio ^<(0 HQ -; 1 ) -J UJ £zuO o UliOZ O CO z !r I-'-' U t K LU O (/) -I (Tin no DO Li. CD D uj U oto o: uu ^ uj> |iJ zQ: 5 -1(0 > Z of I- So 8 U CC Z 2< 5 <x cr 10 <o I- :o i<z i<cc 0(0 I u too^i ~) ^ h- oo ui^ l-Z "^ ^(/1 UJ u Ice 2 .52 (0 1- CD c_^ o c en be IZ. 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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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
