Catalogued
Genaille-Lucas rulers
- Made by
- Henri Genaille and Édouard Lucas
- Year
- 1891
- Field
- Nomograms and computing charts
- Kind
- Physical object
- Room
- Charts that compute — Placed by reading its description, not yet studied
7 other forms share this skeleton
Source
Lucas 1891, Récréations mathématiques
Attribution checked against the source