“[F]ew important steps in dynamical geology will be made until the methods for the accurate measurement of high temperatures and high pressures have not only been perfected but rendered easily available. On the basis of this conviction the present memoir on high temperatures has been prepared… [I]f the investigation be of any fullness, it is almost essential that the observer master the component parts of his research separately; and not until he has satisfactorily done this can he apply them conjointly.”

—  Carl Barus

p, 125
"On the Thermo-Electric Measurement of High Temperatures" (April 8, 1889)

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Carl Barus 15
U.S. physicist 1856–1935

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