U.S. Circuit Court for the District of Western Pennsylvania February 12, 1884 (Lloyd v. Miller)

Acheson, J.

The plaintiff’s letters patent — No. 135,650, dated February 11, 1873—are for an irnprovment in furnaces for boiling, heating, and puddling iron. The objects to be attained thereby as stated in the specification, are the prevention of the rapid burning out of the hearth-plate and the base of the chimney or stack, and the facilitating of the combustion of the inflammable gases in the