ocr: HOUR HAND 30 IEETH OIEETH MINUIE HOUR HAND HAND SHAFI - - - - 10TEETH 241 TEETH Two sets ofgears, with gear ratios 3:1 and 4:1, link the minute hand to the hour hand. These gears slow the speed ofrotation by 12 - times so that the hour hand makes one-twelfth ofa a turn for every whole turn of the minute hand.
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