Sheldon, Samuel  1862-1920, <br/><br/>
Dyanmo electric machinery :  Its construction design and operation :  Direct-current machines / 
By Samuel sheldon and erich hausmann 
 - 8 # ed. completely rewritten 
 - 328 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maquinaria eléctrica--Corriente directa
<br/><br/><label>LC Class. No.: </label>TK2182  / S44 1910