Bell system organization publication name content and audience start year att bell system technical journal bell telephone quarterly. The bell system technical journal was a periodical publication by the american telephone and telegraph company att in new york devoted to the scientific and . Bell telephone system technical publications monograph b issue 1 inc techni bell telephone laboratories on amazoncom free shipping on qualifying offers this . Att bell telephone technical publications monograph 2120 september 1953 orig published in the bell system techical journal may 1953 19 pages diagrams references. This is a reproduction of a book published before 1923 this book may have occasional imperfections such as missing or blurred pages poor pictures errant marks etc
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