Specification of Thomas Hedley and Cuthbert Rodham
Subtitle: apparatus for purifying the igneous vapours arising from furnaces, &c
Contributors: Rodham, Cuthbert
Publisher: Great Seal Patent Office
Published: 1854
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces; Steam-boilers
Notes: At head of title: A.D. 1842. No. 9289.

"Thomas Hedley, of the town and borough of Newcastle upon Tyne, gentleman, and Cuthbert Rodham, of Gateshead, in the county of Durham, millwright".