Thomas Earnshaw's chronometers
GPTKB entity
Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
marine chronometer
|
| gptkbp:contributedTo |
longitude problem solution
|
| https://www.w3.org/2000/01/rdf-schema#label |
Thomas Earnshaw's chronometers
|
| gptkbp:improves |
gptkb:Thomas_Earnshaw
|
| gptkbp:inventedBy |
gptkb:Thomas_Earnshaw
|
| gptkbp:manufacturer |
gptkb:England
|
| gptkbp:notableFeature |
spring detent escapement
|
| gptkbp:usedBy |
gptkb:Royal_Navy
gptkb:explorer |
| gptkbp:usedFor |
gptkb:navigation
|
| gptkbp:usedIn |
early 19th century
late 18th century |
| gptkbp:bfsParent |
gptkb:John_Arnold's_chronometers
|
| gptkbp:bfsLayer |
6
|