Patchell, W H. <br/><br/>
Application of electric power to mines and heavy industries / 

 - London :  Constable and Company,  1913. 
 - ix, 333 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric Power Application<br/>Mining Engineering<br/>Electromechanical Systems
<br/><br/><label>Dewey Class. No.: </label>622.48  / PAT