Statements (17)
Predicate | Object |
---|---|
gptkbp:instanceOf |
ancient Greek surveying instrument
|
gptkbp:component |
graduated scale
pivoting arm sighting rods |
gptkbp:describedBy |
gptkb:Hero_of_Alexandria
|
https://www.w3.org/2000/01/rdf-schema#label |
dioptra
|
gptkbp:material |
bronze
wood |
gptkbp:originatedIn |
gptkb:ancient_Greece
|
gptkbp:predecessor |
gptkb:theodolite
|
gptkbp:usedBy |
Greek astronomers
Greek surveyors |
gptkbp:usedFor |
astronomical observations
measuring angles surveying land |
gptkbp:bfsParent |
gptkb:Hipparchus
|
gptkbp:bfsLayer |
5
|