John Tyndall demonstrating a fog-horn to Queen Victoria and her entourage. Wood engraving by T. B. Wirgman, c.1876.
- Reference:
- 38589i
Licence: Public Domain Mark
Credit: John Tyndall demonstrating a fog-horn to Queen Victoria and her entourage. Wood engraving by T. B. Wirgman, c.1876. Wellcome Collection. Source: Wellcome Collection.
