Robert Edgeworth-Johnstone
... that chemical engineer Robert Edgeworth-Johnstone invented a flute made from the aluminium brass tubing used in oil refineries?
... that chemical engineer <b id="mwBIk"><a href="./Robert_Edgeworth-Johnstone" id="mwBIo" rel="mw:WikiLink" title="Robert Edgeworth-Johnstone">Robert Edgeworth-Johnstone</a></b> invented a flute made from the aluminium brass tubing used in oil refineries?