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Probe Drill Guidance System. Volume 2.
NTIS: PB 247 065 Available for Reference At Bureau Libraries :245 pages
Research was conducted to develop, demonstrate, and deliver a field test model of a probe drill guidance system. The system was to be applicable to a transportable drill built for the Bureau of Mines to locate and aid trapped miners through a 28-inch-diameter hole from the surface. This volume includes details in the appendixes on electrical drawings, mechanical drawings, vendor's manuals and specifications, field test survey results, and the chronological log of field testing.
CP; Final Contract Report;
NTIS Accession No.
NTIS: PB 247 065 Available for Reference At Bureau Libraries
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division