Origin of red heat
Examples from the Web for red heat
Historical Examples of red heat
FeP is obtained by passing phosphorus vapour over Fe2P at a red-heat.
If the bar is not up to red-heat, the feat is dangerous, as the chemicals will not act.
At a red-heat it evolves oxygen, and is reduced first to nitrite; if the heat is continued, potassic oxide remains.Poisons: Their Effects and Detection
Alexander Wynter Blyth