Two tins of Potensan tablets (amylobarbital, dextroamphetamine sulphate, styrchnine hydrochloride), with some tablets remaining in both tins. Height 14 mm x width 82 mm x depth 57 mm, weight 44g. Inscribed: '100 Tablets/ POTESAN/ Amylobarbitone B.P. 15 mg / Dexamphetamine Sulph. B.P. 0.75 mg/ Yohimb. Hydrochlor. B.P.C. 1949 5 mg/ Strych. Hydrochlor. B.P.C. 0.5 mg/ Dose 1-3 tablets t.d.s./ POISON/ P.I.S.4A/ MEDO/CHEMICALS/ LTD/ 144 FORTRESS ROAD/ LONDON N.W.5./ TELEPHONE GULLIVER 3352/ MADE IN ENGLAND'. Made by Medo Chemicals Ltd, 144 Fortress Road, London, NW5. Originating from Savory and Moore. English, 1950-1970.