Rotating amplifiers:  the amplidyne, metadyne, magnicon and magnavolt and their use in control systems/ 
edited by M.G. Say...[etal.] 
 - London:  George Newnes,  1954 
 - 152 p.:  ill.;  22 cm. 
 - Electrical Engineering Progress Series .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs. 25.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rotating amplifiers<br/>Electric controllers<br/>Electric generators--Direct current
<br/><br/><label>Dewey Class. No.: </label>621.389