Photograph by Edith P. Kingman 



LIKE) CLINGING IVY, VILLAS CLAMBER UP THE SIDES OP CAPRl's ROCKY CLIFFS 



The ancient home of the pleasure-loving Roman tyrant Tiberius is visited annually by 40,000 



tourists in normal times. 



ply announcing some prearranged mes- 

 sage ; they had codes and sent long 

 messages. The Greeks signaled on one 

 occasion 100 miles at one jump. This 

 was from Mt. Chigri, 1,698 feet, to Mt. 

 Athos, 6,500 feet. 



The subject is one of absorbing inter- 

 est, but little touched on by archaeologists. 

 Polybius, the Greek historian, has de- 

 scribed ancient signaling methods in con- 

 siderable detail, particularly an ingeni- 

 ous and elaborate method invented by 

 Cleoxenus and Democlitus and perfected 

 by Polybius himself. 



Briefly, this method was about as fol- 

 lows, the letters of the alphabet being 

 arranged on five boards : 



A F K P U 



B G L Q V 



C H M R W 



D I N S X 



E J O T Z 



To send any letter, such as H. the sig- 

 naling party raised two torches, because 

 H is in the second column. Next, three 

 torches were raised, as IT is the third 

 letter in its column. Very briefly, this 

 was the theory. 



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