Well, till not so long ago (the 1950s and 1960s) it was not so uncommon in rural areas (not served by electricity or gas) to have carbide lamps as a source of l

Well, till not so long ago (the 1950s and 1960s) it was not so uncommon in rural areas (not served by electricity or gas) to have carbide lamps as a source of lighting: https://en.wikipedia.org/wiki/Carbide_lamp https://en.wikipedia.org/wiki/Carbide_lamp