magnifier
Image
magbottom
 
Illustration of an early Kelly converter from the Cambria Iron Works.
Close Window

Image of the Kelly Converter, 1860s.

Kelly's "air-boiling process," for the manufacture of steel boiler-plates was unsuccessful. After the success of the Bessemer process, however, Kelly filed his own patent in 1857, which he soon sold to pay off his debts.

Back to Top