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Expired
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Paul Friedrich Schaller
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Individual
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Publication of GB190818776ApublicationCriticalpatent/GB190818776A/en
18,776. Schaller, P. F. Sept. 7. Smoke-consuming.-Air for secondary combustion is supplied to the flues of stoves and fire-places through a perforated box a in which a winding channel b is formed by partitions. The channel is flared at both ends and has an enlargement e about the middle.
GB190818776D1908-09-071908-09-07Improved Smoke-consuming Apparatus for Stoves and Fire-places.
ExpiredGB190818776A
(en)