Dickason, Alfred. The calculation of sheet metal work, for students and craftsmen / Alfred Dickason. - London, Pitman, c1950. - viii, 250 p. diagrs.table,figs,photos 22 cm. Includes Index English LCCN: 50032656 Nat. Bib. No.: GB50-1706 Subjects--Topical Terms: Sheet-metal work. LC Class. No.: TS250 / .D49 Dewey Class. No.: 671.82/DIC