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Expired
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George Massey
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Individual
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Individual
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Devices Affording Protection Of Roads Or Walls For Sound Insulation
(AREA)
Tents Or Canopies
(AREA)
Abstract
19,159. Massey, G. Aug. 19 Ventilating.-The ventilator B is shaped like the ridge tile of a house, but with closed ends. It is pivoted at A, and is provided with wings F which depress it on the leading side as soon as the carriage is in motion.
GB189719159D1897-08-191897-08-19Improvements in Ventilators or Air Extractors for Railway Carriages or similar Vehicles.
ExpiredGB189719159A
(en)