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+//Chapter-4, Illustration 7, Page 138
+//Title: Gears and Gear Drivers
+//=============================================================================
+clc
+clear
+
+//INPUT DATA
+N=4.5;//No. of turns
+
+//CALCULATIONS
+Vh=N/2;//Velocity ratio of main spring spindle to hour hand spindle
+Vm=12;//Velocity ratio of minute hand spindle to hour hand spindle
+T1=8//     assumed no of teeth on gear 1
+T2=32//    assumed no of teeth on gear 2
+T3=(T1+T2)/4//       no of teeth on gear 3
+T4=(T1+T2)-T3// no of teeth on gear 4
+printf('no of teeth on gear 1=%d\n no of teeth on gear 2=%d\n no of teeth on gear 3=%d\n no of teeth on gear 4=%d',T1,T2,T3,T4)
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