Credit: Library of Congress
The development of the "hot-blast" process created a new market for anthracite as a fuel for the iron industry. Early blast furnaces were made of stone and were often 50 feet high or taller. This diagram is from 1872.
Image
An 1872 diagram of a hot-blast furnace
Credit: Library of Congress
The development of the "hot-blast" process created a new market for anthracite as a fuel for the iron industry. Early blast furnaces were made of stone and were often 50 feet high or taller. This diagram is from 1872.
