37 

 Short Pendulum contimied. 



After the clock had been set going about three sideral hours, 

 with the long pendulum, during which time five comparisons were 

 made with the transit clock of the Observatory; these compari- 

 sons being finished, the moveable point of suspension was low- 

 ered just sixty inches as measured on the scale affixed to the 

 side of the clock, and two series of vibrations were tried of three 



C 3 hours 



