Nernst–Lamp
E183953
The Nernst–Lamp is an early type of electric lamp that used a heated ceramic rod as a light-emitting element and played a significant role in the development of incandescent lighting technology.
All labels observed (3)
| Label | Occurrences |
|---|---|
| AEG Nernst lamp | 1 |
| Nernst–Lamp canonical | 1 |
| light bulb | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
electric lamp
ⓘ
incandescent lamp ⓘ lighting technology ⓘ |
| abbreviatedName |
Nernst–Lamp
self-linksurface differs
ⓘ
surface form:
AEG Nernst lamp
|
| category |
historical lighting device
ⓘ
pre-tungsten incandescent lamp ⓘ |
| commercialUseBegan |
around 1897
ⓘ
around 1898 ⓘ |
| countryOfOrigin | Germany ⓘ |
| declinedBecauseOf | introduction of more efficient and robust tungsten lamps ⓘ |
| developedBy | Walther Nernst ⓘ |
| doesNotRequire |
high vacuum
ⓘ
inert gas filling ⓘ |
| emitsColor | warm white light ⓘ |
| emitsLightBy | incandescence ⓘ |
| emitsSpectrum | continuous visible spectrum ⓘ |
| hasAdvantage |
higher luminous efficacy than carbon filament lamps
ⓘ
whiter light than carbon filament lamps ⓘ |
| hasDisadvantage |
complex starting mechanism
ⓘ
fragile ceramic rod ⓘ shorter service life compared to later tungsten lamps ⓘ |
| hasLightEmittingElement | heated ceramic rod ⓘ |
| historicalSignificance |
bridged gap between carbon filament and tungsten filament lamps
ⓘ
important step in development of incandescent lighting ⓘ |
| introducedInDecade | 1890s ⓘ |
| introducedInPeriod | late 19th century ⓘ |
| marketedBy | Allgemeine Elektricitäts-Gesellschaft ⓘ |
| namedAfter | Walther Nernst ⓘ |
| operatesIn | air ⓘ |
| operatingPrinciple | ceramic rod becomes electrically conductive when heated ⓘ |
| powerSource | electricity ⓘ |
| predecessorOf | tungsten filament incandescent lamps ⓘ |
| relatedTo |
Walther Nernst
ⓘ
electric lighting history ⓘ incandescent lighting ⓘ |
| replacedCarbonFilamentLamps | in some applications ⓘ |
| requires | preheating to become conductive ⓘ |
| requiresComponent | starter filament or heater ⓘ |
| technologyType | thermal radiator ⓘ |
| typicalApplicationEra | early 20th century ⓘ |
| usedBefore | widespread adoption of tungsten filament lamps ⓘ |
| usedIn |
early electric lighting installations
ⓘ
indoor lighting ⓘ street lighting ⓘ |
| usesMaterial | ceramic ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
light bulb
this entity surface form:
AEG Nernst lamp