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COCLA stratum compass for geological, geophysical, mining and tectonic measurements; to measure azimuth and dive angle in a single operation.


Horizontal circle of transparent plastic Ø 50 mm; graduation rotating counterclockwise 1/1° (1/1g), numbering 10° (10g) each; Compass needle system automatic seizure when the compass is not in use, tilt weight, efficient damping of magnetic needle oscillations due to eddy current damping, reading within only approx. 3 seconds, magnetic needle: north end of needle is red and south end is black, length 50 mm, international cardinal points (East and West inverse); declination adjustment +/- 30° (+/- 30g); deeply engraved stroke edge graduated at 60 mm; vertical circle on lid hinge, graduation 5° (5g), estimate 1° (1g); 25 mm diameter, cover plate with screw friction adjustment, transparent bottom and transparent spherical level with rotating mirror to allow aerial measurements; closed compass dimensions 73x95x25 mm, weight: 260 grams.