Specification of John Leopard : treating and filtering sewage.

  • Leopard, John.
Date:
1870
Catalogue details

Licence: Public Domain Mark

Credit: Specification of John Leopard : treating and filtering sewage. Source: Wellcome Collection.

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    A.D. 1870, 21st February. N° 50G» SPECIFICATION OF JOHN LEOPARD. TREATING AND FILTERING SEWAGE. LONDON: PRINTED BY GEORGE E. EYRE AND WILLIAM SPOTTISWOODE, PRINTERS TO THE QUEEN’S MOST EXCELLENT MAJESTY! .* PUBLISHED AT THE GREAT SEAL PATENT OFFICE, 25, SOUTHAMPTON BUILDINGS, HOLBORN. 1870.