Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:musician
|
| gptkbp:consists_of |
gptkb:observatory
light-sensitive material |
| gptkbp:designed_by |
gptkb:William_Herschel
|
| gptkbp:historical_significance |
early light measurement
|
| https://www.w3.org/2000/01/rdf-schema#label |
Herschel's photometer
|
| gptkbp:improves |
later photometric techniques
|
| gptkbp:influenced_by |
optical instruments
|
| gptkbp:invention |
gptkb:18th_century
|
| gptkbp:is_used_for |
measuring light intensity
|
| gptkbp:related_to |
gptkb:observatory
|
| gptkbp:bfsParent |
gptkb:John_Herschel
|
| gptkbp:bfsLayer |
5
|