Specification of Henry Young Darracott Scott and Thomas Walker Scott
Subtitle: preparing lime for treating sewage
Contributors: Scott, Thomas Walker
Publisher: Great Seal Patent Office
Published: 1873
Place of publication: London
Language: eng
Subjects: Sewage; Lime; Sewerage
Notes: Cover title.

At head of title: A.D. 1872, 4th December. No. 3670.

"Henry Young Darracott Scott, of Ealing, in the county of Middlesex...  and Thomas Walker Scott, of the same place, gentleman".