Statements (16)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:mathematical_instrument | 
| gptkbp:inventedBy | gptkb:Edmund_Gunter 17th century | 
| gptkbp:material | gptkb:wood ivory | 
| gptkbp:namedAfter | gptkb:Edmund_Gunter | 
| gptkbp:shape | quarter-circle | 
| gptkbp:size | calendar scale hour scale sine scale | 
| gptkbp:usedFor | gptkb:astronomy gptkb:navigation measuring angles | 
| gptkbp:bfsParent | gptkb:Edmund_Gunter | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Gunter's quadrant |