| 摘要 |
This invention relates to a time telling teaching device in the form of a color coordinated clock face provided with two numerical scales circumferentially and concentrically disposed thereon in spaced relationshp to represent segments of time corresponding to the face of a clock, the inner scale being represented by the hour numerals 1 to 12, which are color coordinated to correspond to their respective 30 DEG arc segments, the outer scale being represented by the minute numerals 00 to 55 in intervals of 5; respective hour and minute hands pivotally mounted on said clock face centrally of said numerical scales, said hour hand being of such a size as to lie within said colored arc segments, and said minute hand being of such length as to extend beyond the colored arc segments and up to the outer numerical scale.
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