Related instruction for plumber apprentices
Subtitle: 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.
Series: U.S. Office of education. Vocational division bulletin; no. 200. Trade and industrial series; no. 58
Publisher: U.S. Govt. print. off.
Published: 1939
Place of publication: Washington
Language: eng
Number of pages: 87
Subjects: Plumbing -- Study and teaching.