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Expired
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John Brice Bell
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Individual
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Individual
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Publication of GB190620299ApublicationCriticalpatent/GB190620299A/en
Apparatus For Disinfection Or Sterilisation
(AREA)
Abstract
20,299. Bell, J. B. Sept. 12. Ventilating; disinfecting, - In the base G of a ventilating-shaft is placed a box A which h contains removable baffle-trays C having openwork bottoms and containing solid disinfectant, or a base such as asbestos or peat moss saturated with liquid disinfectant.
GB190620299D1906-09-121906-09-12Improvement in connection with the Disinfection of Sewer Gas in Ventilating Shafts, and the like
ExpiredGB190620299A
(en)