National Radio Institute    
 Electronics Home Study Course from 1937
The National Radio Institute was a private post-secondary correspondence school based in Washington, D.C..The National Radio Institute was founded by James E. Smith, a high school teacher, in Washington, D.C..
Complete Course in Practical Radio
1937 Course Additional Lessons
 In 1914. McGraw-Hill Education purchased NRI and the correspondence division of Capitol Radio Engineering Institute in 1968. The school was renamed NRI Schools, James E. Smith remained as NRI chairman until his death in 1973. James' son, J Morrison Smith, succeeded as president, retiring in 1976. McGraw-Hill announced in 1999 that it would phase out NRI Schools, citing "changes in the marketplace". They ceased operation on March 31, 2002.