Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific instrument
|
| gptkbp:component |
astronomer
plumb line graduated arc |
| https://www.w3.org/2000/01/rdf-schema#label |
Ramsden Zenith Sector
|
| gptkbp:inventedBy |
gptkb:Jesse_Ramsden
late 18th century |
| gptkbp:material |
brass
|
| gptkbp:notableFor |
determining latitude
measuring deflection of the vertical |
| gptkbp:usedFor |
measuring small differences in zenith distances of stars
|
| gptkbp:usedIn |
geodetic surveys
|
| gptkbp:bfsParent |
gptkb:Great_Meridian_Circle
|
| gptkbp:bfsLayer |
8
|