Table 1.

Rutherford's stock of radium, 1900–1937. (Amounts are expressed in equivalent bromide, if known.)

location and datesformorigindateamount (mg)
Montreal, 1898–1907chlorideEstler & Geitel1900?
chlorideP. de Haen, Hanover1901?
chlorideParis?1902?
bromideGiesel, Buchler & Co.190380–160
Manchester, 1907–19bromideArmbrechts, Nelson & Co.190320
bromideSchuster?1903?40–50
bromide (standard)?19073.69
chlorideVienna1908455
chloride (standard)Vienna19127
Cambridge, 1919–37chloride?Vienna192110
bromide/sulphateMRC/DSIR1921/27493
bromide/sulphateUniversity?1920s?408
bromide?Union Minière1936?100
chloride with BeChemical Services Co.193798.75