Con. te^t-: Ma#39;Ha#39;ve Power: Engine Frecta#39;ng; Pollers : Chimneys a fuel a feed: Management of Motive Power: Pumolne Maehln- erv; Wlndirer Machinery: Air Compressors: Poaquot;k Drills: Crushing Machinery: Coneertra#39;agt;ti, a#39;e and r-rArld Vvti-agt;rtl- g Plant: Transmission of Power: Transport; Plolne and . ... Is charged with ten to fifteen hundredweight of sand, and treats from four to five tons per twenty-f ur hours.
Title | : | Ores and Metals |
Author | : | |
Publisher | : | - 1907 |
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