Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:heliochronometer
|
| gptkbp:category |
gptkb:scientific_instrument
gptkb:castle |
| gptkbp:introducedIn |
early 20th century
|
| gptkbp:inventedBy |
gptkb:George_James_Gibbs
|
| gptkbp:location |
gptkb:United_Kingdom
|
| gptkbp:material |
brass
|
| gptkbp:notableExample |
gptkb:Royal_Observatory,_Greenwich
|
| gptkbp:purpose |
accurate timekeeping using the sun
|
| gptkbp:usedFor |
determining mean time
|
| gptkbp:bfsParent |
gptkb:Lucius_Tuckerman_Gibbs
|
| gptkbp:bfsLayer |
5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Gibbs Heliochronometer
|