A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c14.s1.3
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c14.s1.3
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v1.c14.s1.3
¹ Cf. "A mixture of 2 parts of ground roasted ore and 1 part of coal dust is brought into the retorts, each holding about 40 lbs. of the mixture. As soon as the temperature has risen high enough, the reduction begins and carbon monoxide is evolved and burns from the end of the clay adapter with a blue flame (the italics, are ours). Roscoe and Schorlemmer's Chemistry, Vol. II., Pt. 1 p. 255, ed. 1879.