Specification of Burton Henry Vallé : treating sewage.

  • Vallé, Burton Henry.
Date:
1875
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Burton Henry Vallé : treating sewage. Source: Wellcome Collection.

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    A.D. 1874, 3rd November. N° 3784. SPECIFICATION BURTON HENRY VALLE. LONDON: PRINTED BY GEORGE E. EYRE AND WILLIAM SPOTT1SWOODE, rii INTERS TO THE QUEEN’S MOST EXCELLENT MAJESTY : PUBLISHED AT THE GREAT SEAL PATENT OFFICE, 25, SOUTHAMPTON BUILDINGS, HOLBOBN.