01091cam a22002051  4500001001300000003000400013005001700017008004100034010001700075035002000092040004200112042001200154050002500166100005000191245043500241260004800676300002200724490010500746650003400851e  39000327 DLC20260227111228.0840614s1939    dcu           000 0 eng c  ae  39000327   a(OCoLC)10841760  aU.S. Off. of educ. LibrarycNBuUdDLC  apremarc00aLC1045b.A25 no. 2001 aHambrook, Robert W.q(Robert William),d1887-10aRelated instruction for plumber apprentices,bby 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.  aWashington,bU.S. Govt. print. off.,c1939.  axi, 87 p.c23 cm.0 aU.S. Office of education. Vocational division bulletinvno. 200. Trade and industrial seriesvno. 58 0aPlumbingxStudy and teaching.