NEW SMOKE CONTROL METHODS
OEIjKING a Avay to keep smoke from ° annoying passengers on upper decks of steamers, New York engineers -re ceinltly exposed ship models to a breeze in a will'd tunnel and pumped smoke up the miniature funnels. The path of the .smoky trail, they found, depended on the funnel shape. From the resulting
dlalta they designed a new smokestack fhalt deflects smoke currents by means oif funis resembling .those on- .the taiiflls of aircraft. The odd -funnels have been in'sjtailed on four linens p'lyi-nlg between New York, Central America and California, and are reported to ha\*e Avorked very successfully.
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https://paperspast.natlib.govt.nz/newspapers/HAWST19330826.2.127
Bibliographic details
Hawera Star, Volume LIII, 26 August 1933, Page 11
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102NEW SMOKE CONTROL METHODS Hawera Star, Volume LIII, 26 August 1933, Page 11
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