File:Transactions (1871) (14596903017).jpg

Identifier: transactionsmining31amer (find matches)
Title: Transactions
Year: 1871 (1870s)
Authors: American Institute of Mining, Metallurgical, and Petroleum Engineers
Subjects: Mineral industries
Publisher: New York (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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Text Appearing Before Image:
Klein Jig, End Elevation. The eccentric can be regulated so as to give a throw of from) to 3 in., according to the class of ore to be treated. In>E. Missouri, where only galena-ore is concentrated, strokes of).625, 0.875 and 1.25 in. respectively, are employed for mate-•ial of 4, 7 and 12 mm. grain; the number of strokes per min-lte averaging about 150. At a plant in SE. Missouri, 27 of these jigs, of 4 compart-nents each, are treating from 450 to 500 tons of lead-ore every24 hours. A test run of several weeks duration was made oni lot of 2.5 per cent, lead-ore which had been thrown aside * In Fig. 1, the connections from x and s s to y—y are, unfortunately, not shown. 622 Till) KU:i\ .IKi AND NIK KLEIN CLASSIFIER.
Text Appearing After Image:
Klein Classifier, Front Elevation. before the machines were installed ; and the net returns showedthat an extraction of 90 per cent, of the metal had been ob-tained, at a commercial profit. Figs. 3, 4 and 5 show respectively the side and front eleva-tions, and the plan, of the Klein classifier. The housing c (in: M 1:1 \ JI() \\l> III i: KLE1 \ CLASSIl IER. v. bolt, t 1*

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