Specification of William Cameron Sillar and Robert George Sillar
Subtitle: treating sewage
Contributors: Sillar, Robert George
Publisher: Great Seal Patent Office
Published: 1872
Place of publication: London
Language: eng
Subjects: Sewage; Deodorization; Manures
Notes: Cover title.

At head of title: A.D. 1872, 22nd February. No.575.

"William Cameron Sillar, of Blackheath, in the county of Kent, merchant and Robert George Sillar of Bolton, in the county of Lancaster, gentleman and Christopher Rawson, of no.1, Saint Swithin's Lane, in the city of London".