Specification of William Henry Hughan
Subtitle: treating sewage
Publisher: Great Seal Patent Office
Published: 1874
Place of publication: London
Language: eng
Subjects: Sewage; Deodorization; Fuel
Notes: Cover title.

At head of title: A.D. 1874, 20th August. No.2760.

"William Henry Hughan, of Morningside, Eccles, in the county of Lancaster, gentleman".