WATCH. 



A Table of Trains for Watches, ihcwing the Number of Turns on the Fufec and Teeth in the Balajice-whccl, with 

 the Beats in an Hour, and the Number of Seconds in which the Contrate or Fourth Wheel revolves, for the eafy 

 Timing of Watches by the Vibrations of the Pendulum. 



9 Teeth in the. Balance-Wheel. 



Vox.. XXX VH. 



5B 



