Documents provided to Dr Roland R Wettenhall when purchasing radium, applicators, and other material
1. W Watson & Sons (estab. 1837, closed 1969)
The documents include sales dockets, standards certificates, statutory declarations from Watson & Sons Ltd (H & F Baker), Melbourne, Radium Chemical Co, Pittsburgh, USA, Bureau of Standards (Dept of Commerce), Dr G A Armstrong, Siemens Brothers & Co Ltd, Westminster, Radium Hill Company No Liability, Institut du Radium, France.