Page:Advanced Automation for Space Missions.djvu/184

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Table 4.28.- CONCLUDED
HARDNESS AND SCRATCH ANALYSIS—CONCLUDED
Schmidt hardnessTwin Cities Mining Research Center
W. A. Olsson, R. E. Thill, 725-4580
Soil test Schmidt hardness hammer and Shore scleroscope hardness tester for determining the hardness properties of a material.
Scratch analysisTwin Cities Mining Research Center
Robert J. Willard, 7254573
Hilger and Watts fine-scratch microscope, model TM-52, for use in measuring widths and depth (in inches) of scratches on rock and mineral materials. Moderate experience in scratch measurements, can provide scratch analyses on a limited number of samples of any solid, translucent or opaque material.
Shore hardnessDenver Mining Research Center
R. Gerlick, 234-3765
Shore hardness tester to determine hardness of rock and other materials.
Rock drilling and cutting, core preparationDenver Mining Research Center
H. C. Farley, E. B. Wimer, 234-3755
Trained staff and equipment available to take core from small samples and prepare it for testing, cutting, grinding, etc.
Rock cutting and handlingTwin Cities Mining Research Center
R. L. Schmidt, 725-3455
Trained staff and equipment are available to conduct small- or large-scale experiments in the laboratory or field. Instrument drilling equipment includes a 2-boom jumbo with drifters, airleg drills, a diesel-powered diamond drill, and a truck-mounted rotary drill. Small- and large-scale linear rock-cutting apparatus are also available with thrust capabilities to 14 tons. The laboratory is equipped with service equipment for handling up to 7-ton rock blocks.