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Our talk was of cyanide processes, reverberatories, pennyweights, water-jackets. But it dawned upon us soon that, in spite of his red hair and his innocent manners, our friend, the Honourable David Granton, knew a thing or two.
Melting for rolls being mostly conducted in reverberatories, the variations in the condition of the furnace atmosphere, altering from reducing to oxidizing, and vice versa, in cases of bad stoking and different fuels, were referred to as occasionally affecting results. Siemens' method of melting by radiant heat was mentioned for discussion.
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