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War and Military History
Submarines

What was used to light the submarine?

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October 29, 2009 6:05PM

All modern submarines-twentieth century to date use some form ( incandescent, flourescent, built in light panels) of electric lighting, an idea suggested back in the nineteenth century by Verne. There is no other practical light source. Verne also suggested electrical back-lighting with small filaments of gauges and controls- an idea which antedates - and is still used- Radium and phosphorescent dials- back lighted gauges are used on RR equipment in tunnels, for example and are switched on.