Catalogued
Point-and-figure chart
- Made by
- Tape readers; de Villiers 1933
- Year
- 1880s-1933
- Field
- Economics and markets
- Kind
- Data display
- Room
- Change over time — Placed by reading its description, not yet studied
16 other forms share this skeleton
Source
de Villiers 1933, The Point and Figure Method
Attribution less certain: contested, or no single inventor recorded