Specification of Henry James Ditmars
Subtitle: apparatus for consuming smoke
Publisher: Great Seal Patent Office
Published: 1868
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces; Fireplaces; Locomotives
Notes: Cover title.

At head of title: A.D. 1868, 7th April. No. 1166.

"Henry James Ditmars, of 4, Pancras Lane, in the city of London"