Catalogued
Scrope classed density map
- Made by
- George Julius Poulett Scrope
- Year
- 1833
- Field
- Thematic maps
- Kind
- Map
- Room
- Places — Placed by reading its description, not yet studied
33 other forms share this skeleton
Source
Friendly and Denis, Milestones in the history of data visualization, ms109
Attribution less certain: contested, or no single inventor recorded