Kraehenbuehl, John O. <br/><br/>
Electric illumination / 
John O. Kraehenbuehl. 
 - 2nd ed. 
 - New York :  John wiley,  c 1951. 
 - ix, 446 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 428. 
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric lighting.
<br/><br/><label>Dewey Class. No.: </label>621.32 / K855e