Examination in electricity and magnetism, college level. Form no. CElM-1-B-4. Issued by examinations staff of United States Armed Forces Institute of which Ralph W. Tyler is director.
R559316. Examination in electricity and magnetism, college level. Form no. CElM-1-B-4. Issued by examinations staff of United States Armed Forces Institute of which Ralph W. Tyler is director. © 7Jun46; AA60669. Educational Testing Service (PWH); 4Sep73; R559316.
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