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Henry Harrison
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Auxiliary Methods And Devices For Loading And Unloading
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Abstract
5424. Harrison, H. March 10. Chimney &c. tops. -The baffles g protecting the lateral openings f in a hood b, which has a closed top c and an open bottom and surrounds the top of a shaft a, are made of chanelled cross-section with top and bottom edges attached to the hood. The openings fare preferably above the top of the shaft a, which extends about halfway up within the hood b, and the baffles g are about equal in height to the openings f and about twice as wide.
GB190805424D1908-03-101908-03-10Improvements in Hoods for Chimneys and Ventilating Shafts.
ExpiredGB190805424A
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