Specification of John Harrop & James Wadsworth
Subtitle: deodorizing refuse and fecal matters for manure
Contributors: Wadsworth, James
Publisher: Great Seal Patent Office
Published: 1863
Place of publication: London
Language: eng
Subjects: Sewage; Disinfection and disinfectants; Manures
Notes: Cover title.

At head of title: A.D. 1862, 3rd October. No. 2669.

"John Harrop, of Manchester... analytical chemist, and James Wadsworth, of Salford... machinist".