Specification of John Warren
Subtitle: apparatus for promoting the escape of smoke, and for extinguishing fires by the exclusion of air
Publisher: Great Seal Patent Office; George E. Eyre and William Spottiswoode)
Published: 1854
Place of publication: London
Language: eng
Subjects: Smoke prevention; Chimneys; Fireplaces
Notes: At head of title: A.D. 1808. No. 3167.

"John Warren, of the town and county of Poole, stone mason".