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.

    10/12 (page 8)
    Hart Q Parry s Improvements in Treating Sewage, $c. discharging the clear liquid from shafts and tanks employed in treating sewage. In witness whereof, I, the said Alfred Henry Hart, have hereunto set my hand and seal, this Seventh day of September, in the year of our Lord One thousand eight hundred and sixty-seven. ALFRED HENRY HART. (l.s.) Witness, George Shaw. LONDON: Printed by George Edward Eyre and William Spottiswoode, Printers to the Queen’s most Excellent Majesty. 1867.