Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
vacuum tube
|
| gptkbp:component |
early vacuum tube technology
|
| gptkbp:developedBy |
late 19th century
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hittorf tube
|
| gptkbp:influenced |
development of X-ray tube
|
| gptkbp:inventedBy |
gptkb:Johann_Wilhelm_Hittorf
|
| gptkbp:operates |
electric discharge in low-pressure gas
|
| gptkbp:relatedTo |
gptkb:Crookes_tube
gptkb:Geissler_tube |
| gptkbp:usedFor |
study of cathode rays
|
| gptkbp:usedIn |
physics experiments
|
| gptkbp:bfsParent |
gptkb:Johann_Wilhelm_Hittorf
|
| gptkbp:bfsLayer |
6
|