Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
historical scientific problem
|
| gptkbp:award |
Longitude Act of 1714 offered a prize for a solution.
|
| gptkbp:century |
18th century
|
| gptkbp:country |
gptkb:United_Kingdom
|
| gptkbp:describes |
The longitude problem was the challenge of determining a ship's east-west position at sea.
|
| https://www.w3.org/2000/01/rdf-schema#label |
Longitude problem
|
| gptkbp:impact |
Improved safety and efficiency of sea travel.
|
| gptkbp:notablePerson |
gptkb:John_Harrison
|
| gptkbp:notableWork |
Dava Sobel's book 'Longitude'
|
| gptkbp:relatedTo |
gptkb:Board_of_Longitude
gptkb:Greenwich_Mean_Time gptkb:navigation marine chronometer latitude |
| gptkbp:significance |
Major obstacle to safe long-distance sea travel before the 18th century.
|
| gptkbp:solvedBy |
Solved by the invention of the marine chronometer.
|
| gptkbp:bfsParent |
gptkb:Marine_Chronometer
|
| gptkbp:bfsLayer |
7
|