Specification of Daniel Wilks
Subtitle: collecting and treating sewage, &c
Publisher: Great Seal Patent Office
Published: 1875
Place of publication: London
Language: eng
Number of pages: 13
Subjects: Sewage; Manures; Sewer gas; Sewerage; Deodorization; Filters and filtration
Notes: Cover title.

At head of title: A.D. 1875, 29th May. No. 1972.

"Daniel Wilks, of Bloxwich, in the county of Stafford, sanitary engineer".