Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:astronomer
|
| gptkbp:developedBy |
gptkb:19th_century
|
| gptkbp:inventedBy |
gptkb:Joseph_von_Fraunhofer
|
| gptkbp:material |
glass lenses
|
| gptkbp:namedAfter |
gptkb:Joseph_von_Fraunhofer
|
| gptkbp:notableFeature |
achromatic lens design
improved chromatic aberration correction |
| gptkbp:usedFor |
gptkb:astronomer
|
| gptkbp:usedIn |
observatories
|
| gptkbp:bfsParent |
gptkb:The_Discovery_of_Neptune
gptkb:University_Observatory gptkb:Tartu_Old_Observatory |
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Fraunhofer refractor
|