Specification of Amos Bryant & Samuel Hall Culley
Subtitle: deodorizing and treating sewage, &c
Contributors: Culley, Samuel Hall
Publisher: Great Seal Patent Office
Published: 1871
Place of publication: London
Language: eng
Subjects: Sewage; Deodorization; Filters and filtration; Sewerage; Sewage disposal plants
Notes: Cover title.

At head of title: A.D. 1870, 26th November. No. 3107.

"Amos Bryant, of Heavitree Road, Exeter, and Samuel Hall Culley, of Saint Sidwell's Cottage, in the city of Exeter, both in the county of Devon".