Catalogued
Carlyle circle
- Made by
- Thomas Carlyle (attrib.); John Leslie
- Year
- 1817
- Field
- Nomograms and computing charts
- Kind
- Computing chart
- Room
- Charts that compute — Placed by reading its description, not yet studied
121 other forms share this skeleton
Source
Leslie 1821, Elements of Geometry and Plane Trigonometry, 3rd ed.
Attribution less certain: contested, or no single inventor recorded