Catalogued
Ballistic computing cam
- Made by
- Naval fire-control engineering
- Year
- 1930
- Field
- Engineering
- Kind
- Physical object
- Room
- Charts that compute — Placed by reading its description, not yet studied
55 other forms share this skeleton
Source
Dragicevic, Jansen et al., List of Physical Visualizations
Attribution less certain: contested, or no single inventor recorded