Magnetic Compass for field studies in science and environmental science is a precision compass manufactured and individually tested to strict standards. Designed for map use.
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A precision compass manufactured and individually tested to strict standards. Designed for map use, with inch and millimeter scales embossed on a 2" x 3" transparent base-plate. The needle rides on a jeweled bearing in a sealed, liquid-filled chamber-assuring lifelong accuracy, fast settling and quick, reliable readings. Capsule and base are distortion-free acrylic-impact and scratch resistant. Dial is graduated in 2-degree increments.