Specification of John Henry Johnson : destroying noxious exhalations.
- Johnson, John Henry.
- Date:
- 1860
Licence: Public Domain Mark
Credit: Specification of John Henry Johnson : destroying noxious exhalations. Source: Wellcome Collection.
3/4
Licence: Public Domain Mark
Credit: Specification of John Henry Johnson : destroying noxious exhalations. Source: Wellcome Collection.