UNITED STATES ARMED FORCES INSTITUTE, MADISON, WIS.
Examination in radio-high school level. Book 1: Electricity. Form SRd-1-A-4. By members of the Examinations Staff for the U.S. Armed Forces Institute, Ralph W. Tyler, director.
UNITED STATES ARMED FORCES INSTITUTE, MADISON, WIS. Examination in radio-high school level. Book 1: Electricity. Form SRd-1-A-4. By members of the Examinations Staff for the U.S. Armed Forces Institute, Ralph W. Tyler, director. © 21Apr44; AA466289. Educational Testing Service (PWH); 30Jun71; R508454.
Educational Testing Service|PWH