Specification of Benjamin Green
Subtitle: storing and treating sewage
Publisher: Great Seal Patent Office
Published: 1873
Place of publication: London
Language: eng
Subjects: Sewage; Sewerage; Sewer gas; Filters and filtration; Manures
Notes: Cover title.

At head of title: A.D. 1873, 24th January. No. 1885.

"Benjamin Green, of Plaistow, in the county of Essex, contractor"