Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
lighthouse
|
| gptkbp:category |
Lighting Technology
Historical Lighting Device |
| gptkbp:component |
Carbon Rod
Electrode Holder Glass Globe |
| gptkbp:emits |
Bright Light
|
| https://www.w3.org/2000/01/rdf-schema#label |
Carbon Arc Lamp
|
| gptkbp:introducedIn |
1809
|
| gptkbp:inventedBy |
gptkb:Humphry_Davy
|
| gptkbp:notableFeature |
First Practical Electric Light
|
| gptkbp:operatingSystem |
High
|
| gptkbp:powerSource |
gptkb:Direct_Current
|
| gptkbp:replacedBy |
Incandescent Lamp
Mercury Vapor Lamp Xenon Arc Lamp |
| gptkbp:riskFactor |
radiation therapy
Ozone Production |
| gptkbp:usedFor |
gptkb:Film_Projectors
Street Lighting Searchlights Theatrical Lighting |
| gptkbp:uses |
gptkb:Electric_Arc
Carbon Electrodes |
| gptkbp:bfsParent |
gptkb:Arc_Lamp
|
| gptkbp:bfsLayer |
7
|