Specification of Francis Parry
Subtitle: drying precipitated sewage, &c
Publisher: Great Seal Patent Office
Published: 1872
Place of publication: London
Language: eng
Subjects: Sewage; Drying
Notes: Cover title.

At head of title: A.D. 1871, 21st September. No. 2481.

"Francis Parry, of 102, Piccadilly, in the county of Middlesex".