McFarland, Thomas C. <br/><br/>
Altering current machines 

 - 4th 
 - Toronto  Van-Nostrand  1950 
 - ix, 540p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alternating Current
<br/><br/><label>Dewey Class. No.: </label>621.3133  / M1433