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[75] [76] As of 2017 IDDO maintains both 3-inch and 4-inch diameter versions of the new auger for the use of US ice drilling research programs, and these are now the most-requested hand augers provided by IDDO. [77] The Prairie Dog auger, designed in 2007, adds an outer barrel to the basic coring auger design.
Ice auger patented in 1932; the design is very similar to modern augers used for shallow drilling. [11] Ice cores are collected by cutting around a cylinder of ice in a way that enables it to be brought to the surface. Early cores were often collected with hand augers and they are still used for short holes. A design for ice core augers was ...
Agassiz's demonstration of the great difficulty of drilling deep holes in glacier ice discouraged other researchers from further efforts in this direction. [12] It was decades before further advances were made in the field, [12] but two patents, the first ice-drilling related ones to be issued, were registered in the United States in the late 19th century: in 1873, W.A. Clark received a patent ...
A storm is bringing just enough wintry precipitation to cause travel trouble ahead of Christmas Day across the Northeast, including Boston, New York City, Philadelphia, Baltimore and Washington, D ...
Nils - Nils is the main protagonist of the series. He lives with his family on a farm in southern Sweden. Nils is lazy and disrespectful to others and enjoys tormenting the animals on the farm. After the farm's tomte magically shrinks Nils smaller than the animals, he gains the ability to speak and understand animals' language.
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