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Old 25th November 2021, 19:26
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Malcolm G Malcolm G is online now
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The 1883 Crystal Palace Gas and Electrical Exhibition is the one where both Mr Swan's electric light and Monsieur Clamond's gas mantle were shown.
Mr Swan having his patent in 1880 and M Clamond in 1881.
But, Herr Carl Auer von Welsbach's mantle, which used Thorium Nitrate came in 1884 and was the model of those still used to this day.
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