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Expired
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Alfred Eugene Mathewson
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Individual
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Individual
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Grinding-Machine Dressing And Accessory Apparatuses
(AREA)
Rigid Containers With Two Or More Constituent Elements
(AREA)
Abstract
5844. Mathewson, A. E. March 11. Spark arresters and extinguishers.-An annular water trough b having a central opening g surrounds a chimney top a of a cupola or other furnace, and is fitted with a flat baffle-plate c over the chimney outlet.
GB190705844D1907-03-111907-03-11Improvements in Spark Arresters.
ExpiredGB190705844A
(en)