CHAP. XIV.] TELEGRAPHIC MERIDIAN DISTANCE 



329 



Meridian Distance by Telegraph Signals exchanged between 



Constantinople and Dardanelles. 



April 3rd and 18th, 1880. 



Observation spot at Constantinople was at Leander's Tower, observers having to go 



IJ miles to Telegraph Office by ca'uiue. 

 Observation spot at Dardanelles at Nagara Light-house, observers having to go 



three miles to Telegraph Station by steam pinnace. 



