Elements of sheet metal work.
Welch, Robert Louis, 1888-
Elements of sheet metal work. - Milwaukee, Wis : The Bruce publishing company, 1952. - 124 pages : illustrations ; 24 cm.
23007654
Sheet-metal work.
TS250 / .W4
Elements of sheet metal work. - Milwaukee, Wis : The Bruce publishing company, 1952. - 124 pages : illustrations ; 24 cm.
23007654
Sheet-metal work.
TS250 / .W4