one rod of spectroscopic standard bismuth, made by Johnson, Matthey and Company Limited, England, c. 1980 spectroscopic standard bismuth, c. 1980 circa 1980
Cuboid bottle containing 'Tabloid' bismuth subnitrate from 'Tabloid' medicine chest in metal case, containing materia medica in glass stoppered jars (Pts 4 - 38), by Burroughs Wellcome & Company, London, England, 1900-1909. Used by Teddy Roosevelt on African Expedition, 1909. Bottle of Tabloid bismuth subnitrate from chest used by Teddy Roosevelt. 1900-1909
