Heat energy and fuels: pyrometry, combustion, analysis of fuels and manufacture of charcoal, coke and fuel gases. Translated by Oskar Nagel (1908)
Jüptner von Jonstorff, Hanns, Freiherr, 1853- · New York McGraw · leaf 93
I + Fig. 20. — Thermo-element in Porcehiin Tube. … Fig. 21. — Crucible. When determining the melting point of gold a few milligrams ofgold are placed under the thermo-element, which is put into acrucible filled with sand (Fig. 21) and heated above 1000 degrees, 84 HEAT ENERGY AND FUELS at the same time carefully watching the movement of the…
Fuel · Heat
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