Specification of George Rydill
Subtitle: treating sewage
Publisher: Great Seal Patent Office
Published: 1875
Place of publication: London
Language: eng
Number of pages: 13
Subjects: Water Pollution; Sewage; Sewerage; Prevention & control; Sewage disposal plants; Filters and filtration
Notes: Cover title.

At head of title: A.D. 1875, 3rd February. No.399.

"George Rydill, of 8, Quality Court, Chancery Lane, in the county of Middlesex".