An analysis of the railway boilermaker's trade
Subtitle: June, 1921
By: issued by the Federal board for vocational education
Contributors: Cushman, Frank
Series: Bulletin -- 69. Agricultural series no. 21; Bulletin -- no. 69.
Publisher: Govt. print. off.
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 24
Subjects: Locomotive boilers
Notes: Prepared by Frank Cushman. -p. 4.