Specification of Edwin Hills and Benjamin Biggs
Subtitle: treating sewage
Contributors: Biggs, Benjamin
Publisher: Great Seal Patent Office
Published: 1873
Place of publication: London
Language: eng
Number of pages: 10
Subjects: Sewage; Sewerage; Deodorization; Manures; Ammonia
Notes: Cover title.

At head of title: A.D. 1872, 20th November. No. 3464.

"Edwin Hills, of Warsash, in the county of Southampton, manufacturing chemist, and Benjamin Biggs, of no.3, Laurence Pountney Hill, in the city of London, merchant."