M0003411: A device for preventing accidents
- Date:
 - 14 March 1933
 
- Reference:
 - WT/D/1/20/1/27/96
 
Licence: In copyright
Credit: M0003411: A device for preventing accidents. Source: Wellcome Collection.
Licence: In copyright
Credit: M0003411: A device for preventing accidents. Source: Wellcome Collection.