Greenwich Observatory transit circle
GPTKB entity
Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:alsoKnownAs |
gptkb:Airy_Transit_Circle
|
| gptkbp:built |
1850
|
| gptkbp:designedBy |
gptkb:George_Biddell_Airy
|
| gptkbp:heritageStatus |
historic scientific instrument
|
| https://www.w3.org/2000/01/rdf-schema#label |
Greenwich Observatory transit circle
|
| gptkbp:locatedIn |
gptkb:Royal_Observatory,_Greenwich
|
| gptkbp:material |
brass
iron |
| gptkbp:operationalFrom |
1851
|
| gptkbp:operationalTo |
1954
|
| gptkbp:partOf |
Royal Observatory, Greenwich equipment
|
| gptkbp:significance |
defined the Prime Meridian
|
| gptkbp:usedFor |
astronomer
determining time measuring star positions |
| gptkbp:bfsParent |
gptkb:Edward_Troughton
|
| gptkbp:bfsLayer |
7
|