If undelivered please return to: : British Felsol Co., Ltd., 206-212 St. John Street, London, E.C.1.
- Date:
- 1948
Licence: In copyright
Credit: If undelivered please return to: : British Felsol Co., Ltd., 206-212 St. John Street, London, E.C.1. Source: Wellcome Collection.
1/2
