Catalogued
Power-demand relief model
- Made by
- Detroit Edison Company
- Year
- 1935
- Field
- Engineering
- Kind
- Physical object
- Room
- Values across a surface — Placed by reading its description, not yet studiedCould also hang in: Change over time
55 other forms share this skeleton
Source
Brinton 1939, Graphic Presentation
Attribution less certain: contested, or no single inventor recorded