Author: McNICHOL, Donald (three titles) and Louis Casper (two titles)
Title: Duplex & Quadruplex Telegraphy; Telegraph Lines & Repeaters; Printing Telegraph Systems; Telegraph Switchboards; Testing of Telegraph Circuits W/ Regulating of Telegraph Circuits; Duplex & Quadruplex Telegraphy, W/ Duplex & Quadruplex Repeaters; Telegraph Lines & Repeaters W/ Telegraph Repeaters Parts 1-2; Printing Telegraph Systems Parts 1-2; Telegraph Switchboards Parts 1-2; Testing of Telegraph Circuits W/ Regulating of Telegraph Circuits: A Lot of Five Scarce Titles Dealing with Telegraphy
Description: Scranton, PA, International Textbook Co. Hardcover. 12mo. Each volume bound uniformly in royal blue embossed buckram. All volumes show very light shelf wear, are internally unmarked and tightly-bound, and in very good condition. Sold as a lot. Ill.: black-&-white illustrations.

Keywords: Telegraph;Communications;;;;;;; black-&-white illustrations


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