Specification of Christopher Rawson and John William Slater
Subtitle: treating sewage, &c
Contributors: Slater, John William
Publisher: Great Seal Patent Office
Published: 1876
Place of publication: London
Language: eng
Subjects: Schists; Water Pollution; Shale; Sewage; Prevention & control; Filters and filtration
Notes: Cover title.

At head of title: A.D. 1875, 21st October. No. 3668.

"Christopher Rawson, of no.9, Victoria Chambers, in the city of Westminster... and  John William Slater, of no.2, Tamworth Terrace, in the county of Middlesex, analytical chemist."