Instruction manual for sheet-metal workers /
Selvidge, R. W. 1872-1941.
Instruction manual for sheet-metal workers / by R.W. Selvidge and Elmer W. Christy. - 167 pages : illustrations, tables, diagrams ; 24 cm. - The Selvidge Series of Instruction Manuals .
Includes bibliographical references.
Sheet-metal work.
R TS 250 / S45 1939
Instruction manual for sheet-metal workers / by R.W. Selvidge and Elmer W. Christy. - 167 pages : illustrations, tables, diagrams ; 24 cm. - The Selvidge Series of Instruction Manuals .
Includes bibliographical references.
Sheet-metal work.
R TS 250 / S45 1939