THROAT CASTING FOR V. S. FURNACE MATL.- H. R. C. I. AS, PER DRAWING NO- 01- 04- 006, BOGIE SIDE CASTINGS FOR, 60T BOGIE HEARTH CHINESE FURNACE MATERIAL RQT, AL5SI5 AS PER DRAWING 01- 22- 00, BOGIE CORNER, CASTINGS FOR 60T BOGIE HEARTH FURNACE MATERIAL RQT, AL5SI5 AS PER DRAWING 01- 22- 003, AL5SI5 AS PER DRAWING 01- 22- 002