Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 320
1252. ORE ROASTINGFURNACE, revolving type.The large cylinder takescharge by the manholes, andrevolves on power-driven rol-lers. The furnace is on atruck to be removed whenrequired. The heated gases pass through the revolving cylinder and to a chimney. MINING. 309 … 1253. RAILWAY EXCAVATOR, the Otis pattern.
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
