Specification of George Willett, Robert James Harris, and James Lund
Subtitle: filtering sewage
Contributors: Harris, Robert James; Lund, James
Publisher: Great Seal Patent Office
Published: 1875
Place of publication: London
Language: eng
Subjects: Sewage disposal plants; Sewage; Filters and filtration; Sewerage
Notes: Cover title.

At head of title: A.D. 1874, 22nd July. No. 2567.

"George Willett, of South Street, Worthing, in the county of Sussex, picture dealer, Robert James Harris, of High Street, Worthing, aforesaid, engineer, and James Lund, of Fife Villa, Hertford Road, Worthing, aforesaid, surveyor".