Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
stage lighting instrument
|
| gptkbp:alsoKnownAs |
limelight
|
| gptkbp:component |
calcium oxide (quicklime)
oxyhydrogen flame |
| gptkbp:historicalSignificance |
first practical spotlight
|
| https://www.w3.org/2000/01/rdf-schema#label |
Drummond light
|
| gptkbp:inventedBy |
gptkb:Thomas_Drummond
1820s |
| gptkbp:notableFor |
public lectures
theatres in the 19th century |
| gptkbp:operates |
heating calcium oxide with oxyhydrogen flame
|
| gptkbp:principle |
incandescence of quicklime
|
| gptkbp:replacedBy |
electric arc lighting
|
| gptkbp:usedFor |
theatrical lighting
lighthouse illumination |
| gptkbp:bfsParent |
gptkb:Thomas_Drummond
|
| gptkbp:bfsLayer |
7
|