Documents provided to Dr Roland R Wettenhall when purchasing radium, applicators, and other material
Maker
1. W Watson & Sons (estab. 1837, closed 1969)
2. Siemens
Date
1914-1931
Description
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.
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