ADVANCEMENT OF LEARNING 



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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 Roman letter constantly represent 

 ing A, and each Italic letter B. 



A, a 



B, b 



C, c 



D, d 



E, e 



F, f 



IBB FIBST, OB BOMAN ALPHABET 



H, h O,0 



I, i P, P 



K, k Q, q 



L, 1 R, r 



M, m S, s 



N, n T, t 



V, v 



U, u 



W, w 



X, x 



All the letters of this Roman alphabet are read or de 

 ciphered by translating them into the letter A only. 



THE SECOND, OB ITALIC ALPHABET 



A, a 



B, b 



C, c 



D, d 



E, 



V, v 



U, u 



W, w 



X, x 



y, y 



Z, z 



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 bil iter 

 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, 



