Specification of Charles Edward Austin
Subtitle: treating sewage
Publisher: Great Seal Patent Office
Published: 1867
Place of publication: London
Language: eng
Subjects: Sewage; Sewerage; Filters and filtration; Sewage disposal plants
Notes: Cover title.

At head of title: A.D. 1866, 11th July. No. 1820.

"Charles Edward Austin, of 7, Broad Sanctuary, Westminster".