Specification of Charles Niellon
Subtitle: manufacture of manure from sewage matters
Publisher: Great Seal Patent Office
Published: 1858
Place of publication: London
Language: eng
Subjects: Sewage; Manures; Sewerage; Sewage disposal plants; Filters and filtration
Notes: Cover title.

At head of title: A.D. 1858, 30th January. No. 171.

"Charles Niellon, of 50, Lime Street, in the city of London".