Barbier et Fenestre
E483369
Barbier et Fenestre was a prominent French manufacturer of high-quality Fresnel lighthouse lenses and optical equipment active in the 19th and early 20th centuries.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
manufacturer ⓘ optical equipment manufacturer ⓘ |
| activeInCentury |
19th century
ⓘ
20th century ⓘ |
| activePeriod | 19th and early 20th centuries ⓘ |
| associatedWith | Fresnel lens NERFINISHED ⓘ |
| basedIn | Paris, France NERFINISHED ⓘ |
| componentOf | history of maritime navigation technology ⓘ |
| contributedTo |
development of lighthouse illumination systems
ⓘ
improvement of maritime safety ⓘ |
| country | France ⓘ |
| exportedTo | international markets ⓘ |
| field | applied optics ⓘ |
| historicalSignificance |
important supplier of lighthouse optics in the 19th century
ⓘ
representative of French excellence in lighthouse lens manufacture ⓘ |
| industry |
lighthouse equipment industry
ⓘ
optics industry ⓘ |
| locationCountry | France NERFINISHED ⓘ |
| market |
lighthouse services
ⓘ
maritime navigation authorities ⓘ |
| materialUsed |
glass
ⓘ
metal lens frames ⓘ |
| notableFor | manufacture of high-quality Fresnel lighthouse lenses ⓘ |
| product |
Fresnel lighthouse lenses
NERFINISHED
ⓘ
optical equipment ⓘ |
| reputation |
high-quality manufacturing
ⓘ
precision optical engineering ⓘ |
| servedClient |
French lighthouse service
ⓘ
foreign lighthouse authorities ⓘ |
| specialization |
Fresnel lens systems
ⓘ
lighthouse optics ⓘ |
| status | defunct company ⓘ |
| technologyDomain |
optical design
ⓘ
precision glassworking ⓘ |
| typeOfLensProduced |
first-order Fresnel lenses
ⓘ
second-order Fresnel lenses ⓘ smaller-order Fresnel lenses ⓘ third-order Fresnel lenses ⓘ |
| usedIn |
coastal lighthouses
ⓘ
harbor lighthouses ⓘ offshore lighthouses ⓘ |
| usedTechnology | Fresnel lens technology ⓘ |
Referenced by (1)
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