Copy specification of Cawood patent .

[s.l. : s.n., 1856?]

42426

Railroads -- Equipment and supplies -- Patents.

Patent application letter for improvements to the common anvil, or swage block; letters-patent no. 15,687 granted to Cawood, Sept. 9, 1856.

Title from caption.

Signed: Joseph D. Cawood.

Reproduction of original from Harvard Law School Library.

OCLC, 18832422

Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2004. Available via the World Wide Web. Access limited by licensing agreements. s2004 miunns

Making of modern law online collection.

3 p. ; 23 cm