Centenary of Royal Institute of Chemistry

Issue Date - March 2, 1977

SG 1029 - Steroids - Conformational Analysis, 8½p

SG 1030 - Vitamin C - Synthesis, 10p

SG 1031 - Starch - Chromatography, 11p

SG 1032 - Salt - Chrystallography, 13p

First Day of Issue Official Covers