Weeks, Mary Elvira,  1892- <br/><br/>
Discovery of the elements / 
Mary Elvira Weeks ;Completely rev. and new material edited by Henry M. Leicester ; Illus. collected by F. B. Dains 
 - 7th ed. 
 - Cochin :  Paico,  c1968 
 - x, 896 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> Rs. 18.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical elements<br/>Chemistry--History<br/>Chemists<br/>Alkali metals
<br/><br/><label>Dewey Class. No.: </label>546