Catalogued
Sumner line
- Made by
- Thomas Hubbard Sumner
- Year
- 1837
- Field
- Navigation and transport
- Kind
- Computing chart
- Room
- Charts that compute — Placed by reading its description, not yet studiedCould also hang in: Places
121 other forms share this skeleton
Source
Sumner 1843, A New and Accurate Method of Finding a Ship's Position at Sea
Attribution checked against the source