Fairbanks-Morse engine probably powered by fuel oil or diesel that powered a two-lunger Ingersol-Rand air compressor that supplied the air for the Black Forest mine in Spruce Mountain, Nevada.
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Fairbanks-Morse engine probably powered by fuel oil or diesel that powered a two-lunger Ingersol-Rand air compressor that supplied the air for the Black Forest mine in Spruce Mountain, Nevada.