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
Hambrook, Robert W. (Robert William)
1887-
creator
text
dcu
Washington
U.S. Govt. print. off.
1939
monographic
eng
xi, 87 p. 23 cm.
Plumbing
Study and teaching
LC1045 .A25 no. 200
U.S. Office of education. Vocational division bulletin no. 200. Trade and industrial series no. 58
e 39000327
U.S. Off. of educ. Library
840614
20260227111228.0
e 39000327