01054cam a22002651 4500 e 41000403 DLC 20260227111230.0 790810s1941 dcu b f000 0 eng c e 41000403 (OCoLC)5260015 United States Off. of educ. Library OCl DLC LB1044.5 .O5 no. 3 371.333 Lowdermilk, Ronald R. (Ronald Redvers), 1898- The school radio-sound system, by R. R. Lowdermilk. Published by the Federal radio education committee with the cooperation of the U.S. Office of education, Federal security agency. Washington, D.C., 1941. vi, 58 p. 23 cm. [Ohio. State university, Columbus. Bureau of educational research. Evaluation of school broadcasts. Pamphlet series, no. 3] Bibliography: p. 57-58. Radio in education. Radio broadcasting. Federal radio education committee. United States. Office of Education. 21842 21842