... gastralgia is sometimes allayed by using half a teaspoonful of subcarbonate of bismuth, and repeating the dose, if the attack is not relieved. The following is a very effectual remedy: take twenty grains of quinine, combined with one drachm of prussiate of iron, and divide it into ten powders, and administer a powder every three hours until the pain is completely arrested. Temporary relief may be given by administering one-quarter of a grain of morphine, or ten to twenty drops of chloroform in a teaspoonful ... — The People's Common Sense Medical Adviser in Plain English • R. V. Pierce