Specification of Thomas Snowdon
Subtitle: machinery for moulding and pressing artificial fuel and bricks
Publisher: Great Seal Patent Office; George E. Eyre and William Spottiswoode)
Published: 1857
Place of publication: London
Language: eng
Subjects: Fuel; Machinery
Notes: At head of title: A.D. 1849. No. 12,454.

"Thomas Snowdon, of Noel Street, in the county of Middlesex, engineer".