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ing one s mind to any distance, by objects that are either 

 visible or audible provided only the objects are but capa 

 ble of two differences, as bells, speaking-trumpets, fireworks, 

 cannon, etc. But for writing, let the included letter be re 

 solved into this biliteral alphabet; suppose that letter were 

 the word FLY, it is thus resolved: 



FLY 



aabab ababa babba 



Let there be also at hand two other common alphabets, 

 differing only from each other in the make of their letters; 

 so that, as well the capital as the small be differently shaped 

 or cut at every one s discretion: as thus, for example, in 

 Roman and Italic; each Eoman letter constantly represent 

 ing A, and each Italic letter B. 



THE FIRST, OB ROMAN ALPHABET 



All the letters of this Eoman alphabet are read or de 

 ciphered, by translating them into the letter A only. 



A, a 



B, b 



C, c 



D, d 



JJJ 6 



F, f 



G, g 



THE SECOND, OR ITALIC ALPHABET 

 Jjf, h 

 I, * 



L, I 

 M, m 



N, n 



All the letters of this Italic alphabet are read by trans- 

 lating them into the letter B only. 



Now adjust or fit any external double-faced writing, 

 letter by letter, to the internal writing, first made biliter- 

 ate; and afterward write it down for the letter or epistle 

 to be sent. Suppose the external writing were, &quot;Stay till 

 I come to you,&quot; and the internal one were, &quot;Fly&quot;; then, 



