Wood casement windows :  B. S. 644. 

 - London:   British Standards Institution,   1951.  
 - 27 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Casement windows
<br/><br/><label>Dewey Class. No.: </label>690.1823