Specification of Gavin Alston
Subtitle: consuming smoke in furnaces
Publisher: Great Seal Patent Office
Published: 1867
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces
Notes: Cover title.

At head of title: A.D. 1867, 25th June. No. 1854.

"Gavin Alston, of Glasgow, in the county of Lanark, North Britain, cabinet maker".