Specification of George Rydill
Subtitle: smoke consumer and condenser
Publisher: Great Seal Patent Office
Published: 1862
Place of publication: London
Language: eng
Subjects: Smoke prevention; Boilers; Furnaces; Ventilation
Notes: Cover title.

At head of title: A.D. 1861, 13th July. No.1760.

"George Rydill, of Dewsbury, in the county of York".