Specification of George Rydill : purifying sewage, &c.

  • Rydill, George.
Date:
1875
Catalogue details

Licence: Public Domain Mark

Credit: Specification of George Rydill : purifying sewage, &c. Source: Wellcome Collection.

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    Jty dill’s Impts. in Machinery cind Materials for Purifying Sewage, Sfc. waters on to the top of the same. If such be constructed for villages where the filter bed would serve for a long period ridges may be formed on which to produce kitchen garden produce, and the sewage and polluted waters pass between the ridges for the purpose of irrigation. The drains being all connected, should the sewage and polluted waters 5 cover the surface of the porous filter bed I pump the air out of the drains with an air pump or engine fixed for that purpose, when the atmospheric air acts upon the polluted waters and filters the same, when the filtered waters are run off through valves or sluices. If the quantity of sewage is but small the ashes being light and porous 10 may filter the same as supplied, and the filtered waters run off from openings at the side or end of the area; or where large quantities of sewage and polluted waters require treating, larger areas may be constructed. . When a vacuum is formed on the top side of the filter bed for upward 15 Alteration then I arcli over the top of the reservoir to form a chamber. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said George Rydill in the Great Seal Patent Office on the 14th July 1875. TO ALL TO WHOM THESE PRESENTS SHALL COME, I, George 20 Hydill, of 8, Quality Court, Chancery Lane, in the County of Mid¬ dlesex, send greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date the Eourteenth day of January, in the year of our Lord One thousand eight hundred and seventy-five, in the thirty- 25 eighth year of Her reign, did, for Herself, Her heirs and successors, give and grant unto me, the said George Hydill, Her special licence, that I, the said George Hydill, my executors, administrators, and assigns, or such others as I, the said George Hydill, my executors, administrators, and assigns, should at any time agree with, and no BO others, from time to time and at all times thereafter during the term therein expressed, should and lawfully might make, use, exercise, and vend, within the United Kingdom of Great Britain and Ireland, the