Thomas Hubbard Sumner
![A New and Accurate Method of Finding a Ship's Position at Sea, by Projection on Mercator's Chart, Capt. Thomas H. Sumner, 1845](/Images/godic/202502/14/A_new_and_accurate_method_of_finding_at_sea1017.jpg")
Thomas Hubbard Sumner (20 March 1807 – 9 March 1876) was a sea captain during the 19th century. He is best known for developing the celestial navigation method known as the Sumner line or line of position.
Sumner line
英语百科
- disjunctive absorption
- disjunctive area
- disjunctive clause
- disjunctive complement
- disjunctive concept
- Disjunctive conjunction
- disjunctive conjunctions
- disjunctive conjunctive goal tree
- disjunctive dislocation
- disjunctive distribution
- disjunctive exchange
- Disjunctive eye movement
- disjunctive fixation
- disjunctive fixation reflex
- disjunctive fixation reflexes
- disjunctive fold
- disjunctive folds
- disjunctive form
- disjunctive law
- disjunctive motivation
- Disjunctive movement
- disjunctive movements
- Disjunctive normal form
- disjunctive nystagmus
- disjunctive ordering