Specification of William Pritchard the elder
Subtitle: steam engine and other furnaces, and apparatus for regulating supply of air thereto
Publisher: Queen's Printing Office
Published: 1854
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces; Steam-engines
Notes: Cover title.

At head of title: A.D. 1842. No. 9412.

"William Pritchard, the elder, of Burley Mills, in the parish of Leeds, in the county of York, manufacturer."