Programmed instructions for use in polytechnics  torque equation and types of D.C. motors 

 - Madras  Technical teachers' training institute 
 - 35p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Technical education<br/>Vocational education
<br/><br/><label>Dewey Class. No.: </label>371.425  / PRO