Specification of Charles Gall
Subtitle: consuming smoke in furnaces
Publisher: Great Seal Patent Office
Published: 1866
Place of publication: London
Language: eng
Subjects: Smoke prevention; Steam-boilers; Furnaces
Notes: Cover title.

At head of title: A.D. 1866, 15th February. No. 487.

"Charles Gall, of Bridgnorth, in the county of Salop, engineer".