Specification of Frederick Dixon : disinfecting and deodorising sewer gas.

  • Dixon, Frederick.
Date:
1875
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Frederick Dixon : disinfecting and deodorising sewer gas. Source: Wellcome Collection.

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    Dixon's Apparatus for Disinfecting and Deodorising Sewer Gas. described:—A tank or trough is fitted at the bottom of the trap, ventilator, or other opening of the sewer or drain; in this is placed a wooden or iron frame covered with flannel or other porous material. At the top of such frame is placed another tank or cistern. The disin¬ fectant or deodoriser is placed in both tanks; that from the lower tank 5 is drawn up by capillary attraction, and that from the upper tank is drawn down by woollen strands inserted in such upper tank or cistern, and falling over the sides thereof on to the flannel or other porous material; thus the flannel or other material is always kept saturated. The trap or ventilator, which is made of iron, stone, wood, or brick in 10 cement, is divided into two portions, on one side communicating with the sewer or drain, on the other it is open to the outward air through a grating. The upper part of the division in the ventilator or trap is fitted with a frame to be covered with canvas, wire, or zinc gauze, or with other similar material in order to prevent the dust, sand, or dirt from 15 the outward opening accumulating on the flannel, and preventing its proper action. The road dirt and stones falling through the gratings are accumulated in a box immediately under such gratings, and these can be readily removed when necessary. Should surface or other water pass through the gratings it is carried into the sewer or drain beneath 20 the disinfecting cistern either by a trapped tube or by a spring trap. The tray or trough in which the flannel or other porous material is placed may be made of iron, zinc, or earthenware, and it will be kept in position by projecting flanges resting on fillets, and being thus arranged for the purpose of ready renewal or cleaning. 25 The fluid disinfectant will bo (when necessary) poured into the cisterns by opening the upper portion of the trap, which when closed will be impervious to dust or other injury. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said Frederick Dixon in the Great Seal Patent Office on 30 the 8th January 1875. TO ALL TO WHOM THESE PRESENTS SHALL COME, I, Frederick Dixon, of ClUtonville, Brighton, in the County of Sussex, Surgeon, send greeting.