Bell Telephone Laboratories, May 1926, Reprint B-196, originally published in the Bell System Technical Journal, vol V, April 1926, and Transactions of the American Institute of Electrical Engineers, vol 45, 1926; 61 pages, some illustrations and pho.

Condition: Very Good, light blue paper covers, stapled wraps, slight toning to margins, 3-hole punched at margin. Staples are tight, pages clean and unmarked.

Keywords: Development and Application of Loading for Telephone Circuits, Thomas Shaw and WIlliam Fondiller, telegraph working, carrier telephone and telegraph systems, vintage Bell Telephone Laboratories series

Price: $6.00