01097cam a22002771 4500 war23000016 DLC 20260227112812.0 850823s1923 dcua f000 0 eng c war23000016 (OCoLC)12415014 U.S. Army War College CSdS CSdS DLC TK5707 .U6 no. 41 United States. Army. Signal Corps. Introduction to line radio communication ... prepared for the Office of the chief signal officer, January, 1923. Washington, Govt. Print. Off., 1923. v, 51 p. illus., diagrs. 23 cm. Radio communication pamphlet no. 41 On verso of t.-p.: War department. Document no. 1114. Office of the adjutant general. "Prepared under the direction of the chief signal officer with the cooperation of the Bureau of Standards." Telegraph, Wireless. Radio. United States. National Bureau of Standards. Line radio communication. Radio communication. 92391 92391