Change over time

Catalogued

Bilateral deviation bar chart

Made by
No single inventor documented; classified by Calvin F. Schmid
Year
1954
Field
Management and industry
Kind
Data display
Room
Change over time — Placed by reading its description, not yet studiedCould also hang in: How a group spreads
Skeleton drawing, not the original plate

2 other forms share this skeleton

Source

Schmid 1954, Handbook of Graphic Presentation

Attribution less certain: contested, or no single inventor recorded

Searches, not citations

archive.orgcommons.wikimedia.orgscholar.google.com