Specification of Francis Gerard Prange and William Whitthread
Subtitle: utilizing sewage
Contributors: Whitthread, William
Publisher: Great Seal Patent Office
Published: 1872
Place of publication: London
Language: eng
Subjects: Sewage; Sewerage; Sewage disposal plants; Disinfection and disinfectants; Filters and filtration; Manures
Notes: Cover title.

At head of title: A.D. 1871, 6th February. No. 379.

"Francis Gerard Prange, of Liverpool, in the county of Lancaster, merchant, and William Whitthread, of the same place, analytical chemist".