Rolling globe has holding frame with circular measurement ring enclosing globe along great circle and that is rotatable relative to holding frame in direction of great circle

摘要

The device has a holding frame (4) defining a hemispherical accommodation space in which a globe (2) is mounted to be fee to rotate. The holding frame has a circular measurement ring (14) enclosing the globe along a great circle and that is rotatable relative to the frame in the direction of the great circle.