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Geological Stratum Compass (also called COCLA)
Geological Stratum Compass (also called COCLA)

Our Price: $1,848.70

Product Code: A1724

Take accurate and simultaneous measurements of dip angle and dip azimuth in a single operation. Patterned after the design of Professor Dr. Clar of the University of Vienna, this Stratum Compass (also referred to as the COCLA compass) is ideal for use in geological, geophysical, mining and tectonic applications. This robust, long lasting compass has a unique transparent bottom with a hinged mirror so you can take measurements even when the compass is held overhead. The 50mm diameter horizontal circle is graduated in 1 degree intervals and numbered every 10 degrees, from 0 to 360 degrees, with a declination adjustment to 30 degrees. A 60mm ruler is etched along one side of the compass base. The hinged cover features a 25mm vertical circle mounted to one of the trunnions. It is graduated every 5 degrees, from 0-235 degrees, with lines designed so you can reliably read to an accuracy of 1 degree. The quadrants of the vertical circle are alternating red and black to better coordinate the readings of dip angle and dip azimuth. Eddy current damping of the needle allows for quick readings. The compass needle is always locked until the release lever is operated. Compass dimensions: 3 x 4 x 1" (74 x 96 x 25mm) closed, and it weighs 10 oz. (275g). Complete with lanyard and instructions. Made in Germany. Shipping weight 2 lbs.