Specification of Charles Felton Kirkman
Subtitle: treating sewage
Publisher: Great Seal Patent Office
Published: 1871
Place of publication: London
Language: eng
Subjects: Sewage; Filters and filtration; Sewerage; Manures
Notes: Cover title.

At head of title: A.D. 1870, 6th October. No. 2653.

Charles Felton Kirkman, of High Street, Islington, in the county of Middlesex, gentleman".