Manufacture of iron.
Contributors: Whitelaw, Alexander, Manager of Gartsherrie Iron Works.; Great Britain. Commissioners of Patents.
Series: Patent / Great Britain. Commissioners of Patents -- no.12508; Patent (Great Britain. Commissioners of Patents) -- no.12508.
Publisher: published at the Great Seal Patent Office...
Published: 1857
Place of publication: London
Language: eng
Subjects: Blast furnaces -- Patents.; Iron industry and trade -- Patents.
Genres: Patents.
Notes: Letters patent, A.D. 1849, no. 12,508.

At head of title: Specification of James Baird and Alexander Whitelaw.

Title from cover.