Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 319
%^:;^:h C:^^i^i^tf.m^^m^^^f^ 1249. RAILWAY STEAMSHOVEL, the Bucyrus model.For railway or other excavating onmovable trucks. 3o8 MINING. … pass the bottom side of the drum. thrown off, and drop into a separate compartment 1250. MAGNETIC ORESEPARATOR, Hoffmant}^pe. The pulverized ironore is fed to a travelHng ap-ron, which passes over a seriesof magnets beneath the apronand over a drum where themagnetized iron particles areheld to the…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.