374 Notices respecting New Books. 
one-sixth of the whole, which, when completed, will form two 
quarto volumes nearly of the size of Johnson’s Dictionary. 
Mr. Joseph Conolly, Author of the Telegraphic Dictionary, 
and Essay on Universal Telegraphic Communication, for which 
he received the Gold and Silver Medals from the Society of Arts, 
has issued the Prospectus of a new work, to be entitled “ The 
Telegraphist’s Vade Mecum.” 
‘This work is to comprise—the English Language, with sen- 
tences alphabetically arranged under their respective final words, 
thereby obviating the complexity so much complained of by the 
most experienced officers and telegraphists of the present day ; 
as also the Evolutionary Compass and Telegraphic Codes, cal- 
culated for the various symbols used in Europe. Any word or 
sentence, from an arrangement of twenty-six thousand, is given 
by the two-armed Semaphore, as over the Admiralty, in two ex- 
hibitions, without a stop-signal to divide the words. The new 
mode of working two numeral tables at every exhibition is fully 
explained, illustrated with plates of the changes exemplifying the 
different secret keys for deciphering official messages. The num- 
ber of flags is twenty-four, and two pendants, being nine under 
the number used by any ship in the Navy. Any word or sentence, 
from twenty-six thousand, is given in one exhibition, on one 
mast, without a class flag; and no signal ever exceeds three flags 
and a pendant. ‘The spelling power gives a syllable or word at 
one exhibition, A message, or any subject, can be extracted ver- 
batim from this arrangement, in large portions, without the te- 
dious operation of spelling. 
This plan of extracting and deciphering messages will afford 
a pleasing study to the Telegraphist—a study hitherto rendered 
difficult through want of simplicity, scope, and method. 
The new mode of working two numeral tables at every exhi- 
bition of Semaphoric signals, and a new arrangement of words 
and sentences, are to be also prominent features of this work. 
R. Ackermann has in the press ** High Quarrel with the 
Pope.” A correspondence between the court of Rome and Ba- 
ron von Wessenberg, Bishop of Constance, in which the Bishop 
disputes the authority of the Pope in Germany; with an ac- 
count of his endeavours, and every probability of success, to 
effect a general reformation in the German Catholic Chureh. 
Demy 8vo. 
Observations on Ackermann’s Patent Moveable Axles to Four- 
wheeled Carriages, containing an engraved elevation of the car- 
riage, with plans and sections, conveying accurate ideas of this 
superior improvement. 
A com- 
