Historical information

The Wyeth company was founded in Philadelphia, Pennsylvania, in 1860 as John Wyeth and Brother. Its headquarters moved to Collegeville, Pennsylvania and Madison, New Jersey, before its headquarters were consolidated with Pfizer's in New York City after the 2009 merger.
Early in 1913, the Year Before the Great War, 'Bisurated' Magnesia, a Convenient and Effective Treatment for Stomach Disorders, was Perfected at Bismag Ltd London. The Wyeth Company global sales increased due to the sales of Wyeth's Kolynos brand of toothpaste. Wyeth probably purchased Bismag Ltd c 1950

Physical description

A clear glass bottle with a metal screw top lid containing ‘ BISMAG’ Antacid tablets 60 x 5grain.

Inscriptions & markings

Front: This bottle contains / 60 5gr. compressed tablets / BISMAG / ‘BISURATED’ MAGNESIA / TABLETS / An antacid compound for / digestion and stomach troubles / DOSE / ………. / WYETH CHEMICAL CO., SYDNEY / Incorporated in U.S.A. /Successors to Bismag Ltd. London. Back: Bismag neutralises hyper-acidity / ……..