Specification of Thomas Henry Baker and Thomas Woodroffe
Subtitle: treating and purifying sewage
Contributors: Woodroffe, Thomas
Publisher: Great Seal Patent Office
Published: 1868
Place of publication: London
Language: eng
Subjects: Sewage; Sewerage; Manures; Sewage disposal plants; Filters and filtration
Notes: Cover title.

At head of title: A.D. 1867, 15th October. No.2894.

"Thomas Henry Baker, engineer, and Thomas Woodroffe, builder, both of Tonbridge, in the county of Kent".