Catalogued

Weathervane plot

Made by: Attribution unverified
Year: 1974
Field: Many variables and categories
Kind: Data display
Room: How a group spreads — Placed by reading its description, not yet studiedCould also hang in: Values across a surface

Skeleton drawing, not the original plate

121 other forms share this skeleton

Source

Friendly and Denis, Milestones in the history of data visualization

No direct source found yet

Attribution less certain: contested, or no single inventor recorded