.... wherehehadhadcharge of the works described in the second Paperw, hichhad been rather severelycriticised inthefirst Paper. H e would be able to prove that those works were carried on niore economically than the El Paso works, whichhad been taken as a basis of comparison. He would firstsubmitthat i t was hardly fair...

... CLASSIFICATION CALCULATIONS METALLIC LOSS MINES MINING MATTE EL PASO TEXAS LAS TROJES MICHOACAN TERRAZAS CHIHUAHUA TORREON NORTH AMERICA UNITED STATES USA MEXICO 112 COLLISS ox SUELTING PROCESSES FOR [Mirn~tesof 31 January, 1893. IIARRISON HAPTER, President, in the Chair. (Paper...