Gutta percha tube containing Tabloid brand Warburg Tincture tablets, full of brown tablets. Height 107 mm x diameter 25 mm, 37.82 g. Inscribed: 'Burroughs Wellcome & Co. / TRADE MARK / 'TABLOID'/ BRAND/ Warburg Tincture / One represents / min. 30 (1.8 c,c.) /DIRECTION - The bowels having been / freely opened, four to eight may be taken/ with a draught of warm spirit and water,/and the dose repeated in three or four hours / if required. / As this preparation contains Opium in / small medical doses, it is labelled poison. / LONDON (ENG), SYDNEY, CAPE TOWN.'. Manufactured by Burroughs Wellcome and Co., London. English, 1906-1920.