Hambrook, Robert W.  1887- <br/><br/>
Related instruction for plumber apprentices,  by Robert W. Hambrook, senior specialist, trade and industrial education, in cooperation with the National association  of master plumbers of the United States and United association of journeymen plumbers and steam fitters of the United States and Canada. 1939. United States Department of the interior, Harold L. Ickes, secretary. Office of education, J.W. Studebaker, commissioner. 

 - Washington,  U.S. Govt. print. off.,  1939. 
 - xi, 87 p.  23 cm. 
 - U.S. Office of education. Vocational division bulletin  no. 200. Trade and industrial series  no. 58 .
<br/><br/><label>LCCN: </label>e  39000327  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plumbing--Study and teaching.
<br/><br/><label>LC Class. No.: </label>LC1045  / .A25 no. 200