

Brititk AMpxiatioH, 78th Report. Dublin. . 



I nd Icata AzI m uth 

 froin Oreanwich, 



lUutlrattiig thf Report on Stitmaiagicai Invuiigationt. 



Map of the World 



Showing 



Distance and Direction 



from 



Greenwich. 



Clnotei 

 rapr«aent Interval* 

 of IB Degpeei of arc 

 (about 1,036 milea ] 



J 



