Specification of William Hallilay
Subtitle: preventing smoke and economizing fuel
Publisher: Great Seal Patent Office
Published: 1859
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces; Fireplaces; Coal
Notes: Cover title.

At head of title: A.D. 1859, 8th March. No. 602.

"William Hallilay, of Wakefield, in the county of York, gentleman".