Bower-Barff process

== English == === Etymology === From the surnames of the two men who developed the process. === Proper noun === Bower-Barff process (metalworking) A method of coating iron or steel with magnetic iron oxide in order to minimize atmospheric corrosion. The articles to be treated are put into a closed retort and a current of superheated steam passed through for a period, followed by a current of producer gas (carbon monoxide), to reduce any higher oxides that may have been formed.