00829cam a22002411 4500 war11000100 DLC 20260227112809.0 790919s1911 dcua 000 0 eng war11000100 (OCoLC)5388570 DLC MdAN DLC TK6421 .S8 Squier, George Owen, 1865- Multiplex telephony and telegraphy, by means of electric waves guided by wires. By George O. Squier. Washington, Govt. Print. Off., 1911. 102 p. illus., diagrs. 23 cm. Professional paper of the Signal Corps, U.S. Army. On verso of t.-p.: War Department. Document no. 390. Telephone. Telegraph. United States. Army. Signal Corps. Professional paper. 92181 92181