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Instructional aid for teaching time telling
Instructional aid for teaching time telling
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机译:授课时间的教学辅助
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摘要
An instructional aid for teaching time telling comprising a disk shaped dial assembly; a first ring shaped minute indicia ring having first indicia sequentially indicating the numerals five through sixty in numerical increments of five spaced about the perimeter thereof; a second ring shaped minute indicia ring having second indicia sequentially indicating the numerals one through sixty spaced about the perimeter thereof; a partial ring, arcuately shaped before-the-hour minute indicia member having third indicia thereon indicating the numerals one through thirty and the numeral sixty thereon; and a before/after indicia ring having fourth indicia thereon indicating a before portion and an after portion. The dial assembly, the first minute indicia ring, the second minute indicia ring, the before-the-hour minute indicia member, and the before/after indicia ring are interconnectable and, preferably, are interconnectable to form a circular disk.
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