TY  - BOOK
AU  - Hambrook,Robert W.
TI  - 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
T2  - U.S. Office of education. Vocational division bulletin
AV  - LC1045 .A25 no. 200
PY  - 1939///
CY  - Washington
PB  - U.S. Govt. print. off.
KW  - Plumbing
KW  - Study and teaching
ER  -