What does Bower Barff process mean?

Bower Barff process meaning in General Dictionary

a specific process for producing upon articles of iron or steel an adherent layer for the magnetic oxide of metal that will be maybe not liable to deterioration by air moisture or ordinary acids this is certainly accomplished by producing by oxidation at about 1600deg F in a closed space a coating containing almost of the ferric oxide Fe2O3 plus the subsequent change for this in a reduced environment into the magnetized oxide Fe2O4