138 



The Rev. Dr. Robinson on the Difference of Longitude 



Hence I deduce the clock corrections : 



May 14, Dublin, = — 4'. 25 at 11\ 56'" 



Armagh, = — 1 34 „ 15 



„ 16, Dublin, = — 4 



Armagh, = — 1 



„ 20, Dublin, = — 5 



Armagh, = — 



„ 21, Dublin, = — 5 



Armagh, = -|- 



