Specification of Alfred Henry Hart and William Parry : treating sewage.

  • Hart, Alfred Henry.
Date:
1867
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Alfred Henry Hart and William Parry : treating sewage. Source: Wellcome Collection.

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    Provisional Specification. A.D. 1867.—N° 788. 3 Hart Q Parry s Improvements in Treating Sewage, <§c. liquid, and the clear liquid is thus drawn off without disturbing the sediment at the bottom of the tank. A frame or guard may be fixed around the plate to arrest corks or floating bodies and prevent them passing down the pipe. The clay, clay iron ore, or manganesic earth maybe mixed with the sewage as 5 it passes into the shafts or tanks. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said Alfred Henry Hart and William Parry in the Great Seal Patent Office on the 13th September 1867. TO ALL TO WHOM THESE PRESENTS SHALL COME, we, Alfred 10 Henry Hart, of No. 22, Gresham Street, in the City of London, Manufacturer, and William Parry, of Birmingham, in the County of Warwick, Mineral Surveyor, sencf greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date the Nineteenth day of March, in the year of our 15 Lord One thousand eight hundred and sixty-seven, in the thirtieth year of Her reign, did, for Herself, Her heirs and successors, give and grant unto us, the said Alfred Henry Hart and William Parry, Her special licence that we, the said Alfred Henry Hart and William Parry, our executors, administrators, and assigns, or such others as we, the said Alfred Henry Hart and William 20 Parry, our executors, administrators, and assigns, should at any time agree with, and no 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 Channel Islands, and Isle of Man, an Invention for “ Improvements in Treating or 25 Purifying Sewage, and in Apparatus to be used for that Purpose,” upon the condition (amongst others) that we, the said Alfred Henry Hart and William Parry, our executors or administrators, by an instrument in writing under our or their hands and seals, or under the hand and seal of one of us or them, should particularly describe and ascertain the nature of the said Invention, 30 and in what manner the same was to be performed, and cause the same to be filed in the Great Seal Patent Office within six calendar months next and immediately after the date of the said Letters Patent. NOW KNOW YE, that I, the said Alfred Henry Hart, on behalf of myself and the said William Parry, do hereby declare the nature of the said In- 35 vention, and in what manner the same is to be performed, to be particularly