Specification of John Platt
Subtitle: furnaces of steam boilers, &c
Publisher: Queen's Printing Office
Published: 1854
Place of publication: London
Language: eng
Subjects: Steam-boilers; Smoke prevention; Furnaces
Description: Patent for "improvements in the method of consuming smoke and economizing fuel".
Notes: Cover title.

At head of title: A.D. 1847. No. 11,525.

"John Platt, of Oldham, in the county of Lancaster, machine maker".