A very fast drill designed by the Snow, Ice and Permafrost Research Establishment. The photohgraph and drawing give some details, but shop blueprints can be obtained from SIPRE, 121 Washington Avenue, Wilmette Ill., U.S.A. The illustration and part of a kit for measuring the thickness of floating ice sheets. The drill 1 in (25.4 mm.) in diameter cuts glacier ice (wet or dry) easily at the rate half a meter per minute. The dimensions in the drawing are in inches and decimal of inches.
A coring auger fo shallow or deep drilling in névé and ice. It cuts a 3 in. (7.62 cm) diameter core about 0.5 m. long and has been used with up to thirty-one 1 m. extension rods. The auger is of stainless steel, the extensions are of aluminium pipe with stainless steel sleeves and plated pins. The auger had been well tested in the field in cold névé and ice, and imn the laboratory in wet ice. The diameter of the hole (outside diameter of the auger) is
in. (11.09 cm.)
