Specification of Bevan George Sloper
Subtitle: treating sewage
Publisher: Great Seal Patent Office
Published: 1870
Place of publication: London
Language: eng
Subjects: Sewage; Sewage disposal plants; Manures
Notes: Cover title.

At head of title: A.D. 1870, 14th June. No. 1706.

"Bevan George Sloper, of Northfleet, in the county of Kent,".