Spreadbury, F. G. <br/><br/>
Electric discharge lighting /  
by F. G. Spreadbury. 
 - London :   Sir I. Pitman & sons, ltd.,  1946. 
 - viii, 136 p.  il., diag.  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>VAPOR DE SODIO<br/>VAPOR DE MERCURIO<br/>ILUMINACION ELECTRICA<br/>ILUMINACION FLUORECENTE
<br/><br/><label>Universal Decimal Class. No.: </label>628.92/.97