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Clock, has dial including eleven divisions that are arranged so that eleven divisions mark eleven conjunctions of minute hand with hour hand, and display including eleven diodes arranged in circular manner
Clock, has dial including eleven divisions that are arranged so that eleven divisions mark eleven conjunctions of minute hand with hour hand, and display including eleven diodes arranged in circular manner
The clock has a dial including eleven divisions, which are arranged so that the eleven divisions mark eleven conjunctions of a minute hand with a hour hand. A display is provided on the dial and includes eleven diodes arranged in a circular manner. A 360 degree of a circle is divided into eleven sectors. The diodes are illuminated during conjunction of the minute hand with the hour hand. The conjunctions are displayed with an acoustic signal. The conjunctions are uniformly taken place after 1 hour 5 minutes and 27 seconds.
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机译： 识字和算术磁性图。白色磁性片，可轻松放置在白板上。各种类型的图表，包括大型写作图表，Andrewa的电磁数学表格和学生魔术写作图表。图表可以水平（600x900mm）或（250x200mm）或垂直（900mmx600mm）排列。写作图表用虚线表示。粗线为蓝色，虚线为红色。 Andrewa的Magnetic Math Grid由50x50mm的蓝色方块组成;网格为594x841mm，由十七行十一列组成。
