Units in sheet metal work
By: [by] Robert E. Smith, edited by E. H. Mattingly.
Contributors: Mattingly, Eugene Harold, 1902- ed.
Publisher: The McCormick-Mathers publishing company
Published: 1939
Place of publication: Wichita, Kan; New York [etc.]
Language: eng
Number of pages: 47
Subjects: Sheet-metal work.
Notes: Bibliography: p. 47.