GROUND FLOOR PLAN. SECOND FLOOR PLAN. A. Wash Room. A. Fire Assay Room. B. Lecture Room. C. Store Room. B. Store Room. C. Metallurgical and Blow Pipe Laboratory. D. Wet Assay Room. D. Specialists Laboratory. E. Balanca Room. F. Professor's Office. G. Qualitative Laboratory. H Porch. H. Porch. I. Stairway.