The new standard reckoner / 
Edited by G. F. Maine. 
 - London :  The literary press,  [...?]. 
 - 320 p. ;  18 cm. 
<br/><br/>345  345 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ready-reckoners.
<br/><br/><label>Dewey Class. No.: </label>517 / G798n