Public Works Department standard specifications. 

 - Alipore,  Superintendent, Govt. Print., West Bengal Govt. Press,  19 
 - v.  illus.  25 cm. 
<br/><br/><label>LCCN: </label>sa 68015970  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standards, Engineering.
<br/><br/><label>LC Class. No.: </label>TA368  / .W38 
<br/><br/><label>Dewey Class. No.: </label>624/.021/2