Specification of Joseph Whitley
Subtitle: treating sewer gas
Publisher: Great Seal Patent Office
Published: 1875
Place of publication: London
Language: eng
Subjects: Sewage; Sewer gas; Sewerage; Deodorization
Notes: Cover title.

At head of title: A.D. 1875, 5th May. No. 1672.

"Joseph Whitley, of Roundhay, near Leeds, in the county of York, engineer."