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Special geology - topography - caving. With a clinometers and spirit level torus. Level spherical mirror targets. Supporting one side of the compass on a layer under consideration, the bubble will move you to center the torus on the scale index reads the slope. Mobile magnetic needle in dry air, with stabilizer and clamping device. Phosphorescent close at night. Closed dimensions 80 x 70 x 35 mm. Weight 240 gr. custody.
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