Specification of William Strang
Subtitle: separating sewage
Publisher: Great Seal Patent Office
Published: 1869
Place of publication: London
Language: eng
Subjects: Sewage; Toilets; Sewerage; Filters and filtration; Manures
Notes: Cover title.

At head of title: A.D. 1868, 28th August. No.2667.

"William Strang, of Glasgow, in the county of Lanark, North Britain".