Hi All,

I was wondering if while designing (building) a horizontal Lehman type 
sensor, there was a ratio between the dimensions of the length of the 
pendulum arm and height of the vertical member?

Thanks,
Jerry 







Hi All,
 
I was wondering if while designing (building) a horizontal Lehman =
type=20
sensor, there was a ratio between the dimensions of =
the=20
length of the pendulum arm and height of the vertical member? 
 
Thanks,
Jerry