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Show GAS TEACHES DEAF AND DUMB. 1 A new and extraordinary use for i gas has come into being in London, j It is announced that an ordinary gas ; flame is being successfully used to -teach deaf and dumb children the let- : ters of the alphabet. The method consists in showing each child how he or she may make the gas flame jump and flicker at a varying rate with current of air produced pro-duced in speaking the different letters. let-ters. The average pupil can learn the alphabet in this way in three months. |