Specification of Edward Ettrick
Subtitle: furnaces
Publisher: Great Seal Patent Office
Published: 1861
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces
Notes: Cover title.

At head of title: A.D. 1861, 26th February. No. 489.

"Edward Ettrick, of North Hylton, near Sunderland, in the county of  Durham".