Specification of John Manley
Subtitle: ventilating apartments and purifying smoke in chimneys
Publisher: Great Seal Patent Office
Published: 1854
Place of publication: London
Language: eng
Subjects: Ventilation; Smoke prevention
Notes: Cover title.

At head of title: A.D. 1854. No. 1002.

"John Manley, of Chacewater, in the County of Cornwall, mine agent."