Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:built |
1850
|
| gptkbp:builtBy |
gptkb:George_Biddell_Airy
|
| gptkbp:diameter |
8 inches
|
| gptkbp:heritageStatus |
historic scientific instrument
|
| https://www.w3.org/2000/01/rdf-schema#label |
Airy Transit Circle
|
| gptkbp:latitude |
51.477928
|
| gptkbp:length |
12 feet
|
| gptkbp:locatedIn |
gptkb:Royal_Observatory,_Greenwich
|
| gptkbp:longitude |
-0.001545
|
| gptkbp:material |
brass
iron |
| gptkbp:namedAfter |
gptkb:George_Biddell_Airy
|
| gptkbp:operationalPeriod |
1851-1954
|
| gptkbp:partOf |
gptkb:Royal_Observatory,_Greenwich_instrument_collection
|
| gptkbp:replacedBy |
gptkb:Bradley_Meridian_Circle
gptkb:photographic_zenith_tube |
| gptkbp:significance |
defined the Greenwich Prime Meridian
|
| gptkbp:usedFor |
astronomical observations
defining the Prime Meridian |
| gptkbp:bfsParent |
gptkb:Royal_Observatory,_Greenwich
|
| gptkbp:bfsLayer |
4
|