Specification of Thomas Henry Baker and George Friend
Subtitle: treating excrementitious and sewage matters
Contributors: Friend, George
Publisher: Great Seal Patent Office
Published: 1864
Place of publication: London
Language: eng
Subjects: Sewage; Sewerage; Manures; Sewage disposal plants; Filters and filtration; Deodorization
Notes: Cover title.

At head of title: A.D. 1863, 8th September. No.2208.

"Thomas Henry Baker, of Tunbridge [sic] in the county of Kent, engineer, and George Friend, of the same place, engineer".