Patent of Thomas Le Grand : preventing chimneys from smoking.
- Le Grand, Thomas.
- Date:
- 1857
Licence: Public Domain Mark
Credit: Patent of Thomas Le Grand : preventing chimneys from smoking. Source: Wellcome Collection.
6/8 (page 4)
Licence: Public Domain Mark
Credit: Patent of Thomas Le Grand : preventing chimneys from smoking. Source: Wellcome Collection.