Liquid Filled Compass
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Liquid filled magnetic compass . The inner ring can be rotated to align the pointer to any heading. The azimuth is printed on the outer ring from 0 to 360 degrees. It can also be used with overhead projectors.
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Liquid filled magnetic compass . The inner ring can be rotated to align the pointer to any heading. The azimuth is printed on the outer ring from 0 to 360 degrees. It can also be used with overhead projectors.
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