| 摘要 |
PROBLEM TO BE SOLVED: To simultaneously present the time of each place in the world by visually showing the actual movement of the earth. SOLUTION: This earth clock is provided with a mechanism in which a scale map (1) of the earth with the North Pole as the center is rotated counterclockwise once in one day by a drive part (3) over a dial (2) calibrated by 24 hours.
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