Light Sources

 
Light Sources
Light Sources
(Photo Le Gars-Damgm)

The first lighthouses were fuelled by wood or coal. In 1611 the first enclosed lantern was tested at Cordouan. Man has constantly endeavoured to perfect the quality of light sources.

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Lanterns
Published on 15 February 2008
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Rotation machines
Published on 15 February 2008
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Optics
Published on 15 February 2008
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The use of oil as fuel
Published on 15 February 2008
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Petroleum fuelling
Published on 15 February 2008
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Fuelling by electricity
Published on 15 February 2008
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LED lights
Published on 15 February 2008
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