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Rh as to permit a more complete examination of the efficiency of fuels than has hitherto been possible anywhere.

Perhaps the greatest innovation made by the Institute in the early days was in establishing a laboratory for the teaching of mining and metallurgy. Previous to 1871 metallurgical work was done in the chemical laboratories, but in that year the mining and metallurgical laboratory was put into operation through the efforts of President Runkle, Professor Richards and Professor Ordway. Prior to this date, there



were assaying or metallurgical laboratories at the École des Mines at Paris, the Royal School of Mines in London, the German Mining Schools at Freiberg and Clausthal and Berlin, and also in several technical schools in this country. The German mining schools were situated beside smelting works, but the plants could not often be used for experiments by professors or students in a way to alter the usual method of running. In all these laboratories, however, the apparatus was designed to treat quantities of ore not exceeding a few ounces for each test. The Institute laboratories were the first in the world which