Specification of Edwin Hills and Benjamin Biggs : treating sewage.

  • Hills, Edwin.
Date:
1873
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Edwin Hills and Benjamin Biggs : treating sewage. Source: Wellcome Collection.

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    Provisional Specification. A.D. 1872.—N° 3464. 3 Hills Sf Biggs' Improvements in Treating Sewage. mote the precipitation of the solid parts of such sewage or matters, and also fix the ammonia and decompose the sulphuretted hydrogen and obtain sulphur therefrom. The sewage precipitate or sludge thus obtained may either he dried and used as a manure, or it may be burnt 5 so as to cause it to give off its sulphur in the form of sulphurous acid gas or be otherwise utilized. In this last described process the acid tanks herein-before referred to are not required. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said Edwin Hills and Benjamin Biggs in the Great Seal 10 Patent Office on the 20th May 1873. TO ALL TO WHOM THESE PRESENTS SHALL COME, we, Edwin Hills, of Warsash, in the County of Southampton, Manufacturing Chemist, and Benjamin Biggs, of No. 3, Laurence Pounfcney Hill, in the City of London, Merchant, send greeting. 15 WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date the Twentieth day of November, in the year of our Lord One thousand eight hundred and seventy-two, in the thirty-sixth year of Her reign, did, for Herself, Her heirs and successors, give and grant unto us, the said Edwin Hills and Benjamin 20 Biggs, Her special license that we, the said Edwin Hills and Benjamin Biggs, our executors, administrators, and assigns, or such others as we, the said Edwin Hills and Benjamin Biggs, our executors, adminis¬ trators, and assigns, should at any time agree with, and no others, • from time to time and at all times thereafter during the term therein 25 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 Deodorizing and Purifying Sewage and other Excrementitious Matters, and in Obtaining certain Useful Products therefrom,” upon the condition (amongst others) 30 that we, the said Edwin Hills and Benjamin Biggs, 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 par¬ ticularly describe and ascertain the nature of the said Invention, and in what manner the same was to be performed, and cause the same to 35 be filed in the Great Seal Patent Office within six calendar months next and immediately after the date of the said Letters Patent.