The Collaborative International Dictionary of English. 2000.
pernot furnace — (ˈ)per|nō noun Usage: usually capitalized P Etymology: after Charles Pernot, its inventor : a reverberatory furnace with a circular revolving hearth used in making steel … Useful english dictionary
Bell-Krupp process — Krupp process Krupp process (kr[oo^]p) n. (Iron Metal.) (a) A process practiced by Friedrich Krupp, Essen, Germany, for washing pig iron, differing from the Bell process in using manganese as well as iron oxide, and performed in a Pernot furnace … The Collaborative International Dictionary of English
Krupp process — (kr[oo^]p) n. (Iron Metal.) (a) A process practiced by Friedrich Krupp, Essen, Germany, for washing pig iron, differing from the Bell process in using manganese as well as iron oxide, and performed in a Pernot furnace. Called also the {Bell Krupp … The Collaborative International Dictionary of English
