Solders and fluxes : a programmed text ; Prepared in collaboratio n with ESL Bristol. - London : Newnes Butterworths, 1970. - 189 p. : ill. (chiefly col.) ; 15x 22 cm. ISBN: 0408000147 Subjects--Topical Terms: Solder and soldering Educational systems Limited. Dewey Class. No.: 671.56