G. Harold , Silvius <br/><br/>
Teaching multiple activities ; in industrial education / 
G. Harold Silvius and Estell H. Curry  
 - Bloomington :  Mcknight & Mcknight,  c1956 
 - xxiii, 484p 
<br/><br/>Includes fronts & illus 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manual Training
<br/><br/><label>Dewey Class. No.: </label>371.426 SIT