Townsend, A. L <br/><br/>
Plumbing, 2 

 - 2nd ed. 
 - London  Hutchinson Educational  1969 
 - xi, 410p. : ill. 
<br/><br/><label>ISBN: </label>0090980514 
<br/><br/><label>LC Class. No.: </label>TH 6123 Tow