Specification of James Robertson
Subtitle: consuming smoke, and removing noxious qualities of gases arising from sewers, drains, &c
Publisher: Great Seal Patent Office
Published: 1854
Place of publication: London
Language: eng
Subjects: Sewer gas; Smoke prevention; Pollution
Notes: Cover title.

At head of title: A.D. 1848. No. 12,308.

"James Robertson, of Liverpool, in the county of Lancaster, cooper".