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Expired
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Ernst Hellwig
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Individual
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Individual
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Publication of GB190820290ApublicationCriticalpatent/GB190820290A/en
20,290. Hellwig, E. Sept. 26. Chimney tops.- An outer cylinder a, with a flared bottom b, surrounds the upper part of the shaft a<1>, above a conical deflector g. An inverted cone e is supported above, and projecting into, the top of the inner shaft a<1>. A wind guard f is placed above the outlet of the cylinder a.
GB190820290D1908-09-261908-09-26Improvements in Chimney Pots.
ExpiredGB190820290A
(en)