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drum lens lantern [1 record]

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Record 1 1990-04-30

English

Subject field(s)
  • Optics
  • Lighting Fixtures

French

Domaine(s)
  • Optique
  • Luminaires
OBS

système optique comprenant une lentille centrale et diverses couronnes réfringentes ou réfléchissantes, utilisé dans les phares marins pour produire un large faisceau de lumière parallèle

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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