Specification of George Barker
Subtitle: syphons for taking off sewerage, &c
Publisher: Great Seal Patent Office
Published: 1864
Place of publication: London
Language: eng
Subjects: Sewage; Sewerage; Filters and filtration
Notes: Cover title.

At head of title: A.D. 1863, 14 th November. No. 2849.

"George Barker, of 59, Broad Street, Pendleton, in the county of Lancaster, merchant."