Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:scientific_instrument
|
| gptkbp:alignment |
gptkb:meridian
|
| gptkbp:component |
gptkb:astronomer
micrometer spirit level collimation telescope graduated circle meridian mark |
| gptkbp:developedBy |
18th century
|
| gptkbp:measures |
declination
right ascension |
| gptkbp:notableExample |
gptkb:Airy_Transit_Circle
gptkb:Repsold_meridian_circle |
| gptkbp:operatedBy |
gptkb:astronomer
|
| gptkbp:relatedTo |
altazimuth instrument
transit instrument |
| gptkbp:replacedBy |
gptkb:photographic_zenith_tube
CCD-based instruments |
| gptkbp:usedFor |
determining time
measuring star positions |
| gptkbp:usedIn |
observatories
|
| gptkbp:bfsParent |
gptkb:Bradley_Meridian_Circle
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
meridian circle
|