nichols herreshoff multiple hearth furnace pdf

nichols herreshoff multiple hearth furnace pdf

Method of and apparatus for direct reduction of iron , nichols herreshoff multiple hearth furnace pdf ,This invention relates, as indicated, to methods of and apparatus for the direct reduction of iron or Furnaces of the multiple-hearth type, common examples of which are the Nichols-Herreshoff andNevada Ghost Town -Bottle Creek Mining DistrictThe operation of the Herreshoff multiple hearth type of furnace at Bottle Creek will be watched with , A thirty-ton Nichols-Herreshoff furnace is on the ..