PPRuNe Forums - View Single Post - Olympic flame on an aircraft

27th Jul 2018, 20:44

#4 (permalink)

EDLB

Join Date: Aug 2005

Location: EDLB

Posts: 366

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Modern version of a Davy lamp used in Methane filled coal mines.
https://en.m.wikipedia.org/wiki/Davy_lamp

Most likely more save than any lithium battery powered phone.

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