M0001296: Line engraving of tree-shaped diagram through eight geological periods (broadly categorised as the "Tertiary" and "Quaternary" periods)
- Date:
- 20 September 1930
- Reference:
- WT/D/1/20/1/12/9
Licence: In copyright
Credit: M0001296: Line engraving of tree-shaped diagram through eight geological periods (broadly categorised as the "Tertiary" and "Quaternary" periods). Source: Wellcome Collection.