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Amgueddfa Cymru – Museum Wales
Two page paper booklet containing an article reprinted from "The Merthyr Express", July 2nd 1921. Black print on cream paper, with a printed photograph of Adrian Stephens, the inventor, on the front cover. Contains an article by James Fraser on Adrian Stephens, inventor of the steam whistle. The article also contains a printed copy of a letter from Adrian Stephens to his niece, giving an account of the making of the first steam whistle.
