Williams, Arthur <br/><br/>
Commercial engineering for central stations... /  
by Arthur Williams and Edmund F. Tweedy  
 - New York :   McGraw-Hill Book Company,  1912. 
 - 4 p. l., 142 p.  illus.  24 cm. 
<br/><br/> Título completo: Commercial engineering for central stations; a compilation of papers dealing with subjects of particular interest to those engaged in central station commercial engineering work.  
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<br/><br/><label>Subjects--Topical Terms: </label><br/>INGENIERIA ELECTRICA<br/>REFRIGERACION<br/>PLANTAS DE ELECTRICIDAD
<br/><br/><label>Universal Decimal Class. No.: </label>621.311