A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c10.t6.1
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c10.t6.1
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v1.c10.t6.1
“3. Light is coloured, and illumines other substances; and to the feel is hot: which is its distinguishing quality. It is defined as a substance hot to the feel. [Heat, then, and light are identified as one substance.]*