Catalogued
Volumetric chart (solid model)
- Made by
- Statistical model-making practice; described by Karsten
- Year
- 1923
- Field
- Physical objects
- Kind
- Physical object
- Room
- Change over time — Placed by reading its description, not yet studiedCould also hang in: How a group spreads
55 other forms share this skeleton
Source
Karsten 1923, Charts and Graphs, p.630-631
Attribution less certain: contested, or no single inventor recorded