Memphis daily appeal. [volume] (Memphis, Tenn.) 1847-1886, 1862-05-29

TIE TELEGRAPH-The telegraph, has since
its invention proved one OF the important and
useful means OF communication that has ever made
available fDe politician the OF business, and Of
science and the public generally have found it nvaua-
BE in the various departments Of government com
merce learning and ordinary life Since the breaking
out OF toe war It's utility has become more apparent than
before and thinking some account Of its practical
working would be OF interest. this time, the public
We avaed ourselves of the kindness Of Mr. Coleman
DR. Green, and Ir Montgomery the other day TO look
over tae telegraph office in this city The following de-
tails axe the result Of our investigation.
II the working room Of hs oiee an assistant is seen
pushing down, at intervals OF various length round
knob attached d lever, whish is connected with d
Lc Instrument .nliug d lDIe when tEl Enob, OF
key -s it called, is pushed down permits he gaI-
vauic current f5w III wiges which We see sus-
pended a-o- the AID raiIoals This current IS
obtained from large number o: bottles, standing il
closet II ,he OF the operating Zach bottle is
partially hiled with lpLur. acid diluted with water in
which Immersed pI=cs Of platinum and psCe Of COP
PEI. The acid gradually away Tie metal by oLs1aieal
aston and il doing originates the galyanic current by
means Of which telesraphc communication carried on
The reader viii be able 10 idsa Of this gvanic
power by placing his tongue silver halt dollar, and
cttfAlH IL piece OF LluC On drawing the two
Of metal forward that they shall touch each other al
the tip Of the tongue acrd taste will be perceived
the moment the metals come in contact The moisture
OF the mouth performs the office Of the diluted uphure
acid and the acrid taste is the consequence of avunic
action. Pressing down the Key of the above mentioned
instrument the wires on the poles with the
'd11yr tue arrangement OF bottles aud metals is
caled-n the closet and the current engeud-red in ths
hoo
ton, the key kept down longer or shorter time.
These jet. Of the gavsuc fluid pass along the wire
the end Of it, unless any place between the spot where
the instrument placed and the termination of the WIRE
connection is made from the wire to the ground If
message proceeds no further
When the current reaches the point fer which it is
destined as Corn,h. yicksburg, or New Orleans 1t
moves Instrument there with motions responding
with those impressed upon the key by The operator
Memphis The instrument can be so arranged al to i
press upon long ribbon Of paper kept moving forward
by sort Of clockwork, number dots dasues cor
responding in number length with the impressions
male on the key by the operator, and between
the dots aud dsshes viii be spaces, caused by the
interruption Of the current when the finger Of the
operator press upon the key. By arranging
these dashes and spaces various ways they
be made represent the letters Of the alphabet just
placing the fingers OF the hand particular positions
represents letters talking to a dumb person. As an
example the letter is represented by dot and dash,
thus, ID by dash and two dots, thus, T is a
short dash, - l. is long dash, -; and The toll
lowing il specimen Of the sort Of writing done by the
telegraph in doing which it will be remembered that the
writer operator. is sometimes five hundred miles from
the spot where the marks he produces made aud
read: