Washington standard. [volume] (Olympia, Wash. Territory) 1860-1921, 1877-03-24
Ol,Srl,. s,rIgp,y MORNING. xAR. Il. iSH.
Recent Discoveries.

sciences are making gigantic strides
towards perfection" finds special
Application in the numerous discov-
oros claimed to have been made
within tho past few months--provid-
ing If course. these discoveries are
ANYTHING moro than mere moon
shine. The first Of these in import
anco. il not in the order OF discovery,
IL the telephone, the invention OF
Prof. A. Graham Bell, coming from
the staid old city Of witchcraft-Sa-
lem, Mausacbusstts-and is the re-
.ul, Of Ave yeas careful expert
mcnt. The first practical demon
~l,alion OF its efficiency was made
in October last, when an experiment
,d trial was made in October last,
over the private wire OF the Wal
worth Manufacturing Company of
Cambridge. The result was entire
~ successful. Another trial, on
January 2ist, was equally crafty
ing in i,s results. Every word
spoken in Boston was accurately
transmitted and readily recognized
by those at the Salem end of the
wire. The test was over the East
ern Railroad Company's wire. Other
experiments Observation-Disclosures
tones can be transmitted perfectly,
aud the last Rose Of Summer, y
rendered by a lady in Maiden, was
heard m distinctly at the station IN
romton m IL the singer was in con-
cert hall not 100 feet away from the
listeners. Repeated trials showed
that laughter, applause or instru-
mental music could be equally we'll
transmitted. The greatest distance
that has yet been vanquished by the
Telephone 10 lA3 miles--from Boston
10 North Conway, n. H. The won
derfai LITTLE instrument ID described
by The New York Sun reporter-who
appears 10 have unlimited faith in
IL practical success and utiity-as
follows, Il consists Of . powerful
compound permansnt magnet, to the
poles Of which are attached ordinary
telegraph coils 81 insulated wire.
In front Of the poles. surrounded n
these coils Of wire, il diephrAgp
Of Iron. A mouthpiece, whose func-
ZION II TO converge the sound upon,
this diaphragm. substantially COM
plstes the arrangement. The oper-
alton OF Tho instrument il thus de-
scrihsd by Prof. Bell: The motion
Of steel or iron in front Il the poles
Ola magnet creates current Of elec-
tricity In coils surrounding ~ poles
Of the magnet. and the duration of
this sarrcnt Of electricity comedies
with Tho duration Of the motion OF
the steel or iron moved or .vibrated
In the proximity Of the magnet.
when the human voice causes the
diaphragm TO vibrate, electrical un-
duiations arc induced in the coils
around the magnets precisely SINH
lar 10 the undulations Of the air pro-
duced by the voice. The coils ars
connected by tho line wire, and the
undulasions induced in them travel
through the wire, and passing
through The coils Of another instfu-
neat Of similar construction at the
other end Of the line arc again re-
solvsd into air undulations by the
diaphragm Of this instrument. The
volSAIc battery IL entirely dispensed
with. The line wire may b Of any
given length. provided The insulation
b. good. Prof. Bell further says
~ soN tones can b heard across
- wisss even moro distinctly than
Ioud uttssancss. even . whisper
being audible.
Ihe second Of <dess wonderful
scisutiAc discoveries ID IN universal
psssssa les oil the ills 70 which the
hunan<ssA h heir. Brief allusion
vas made 70 Gen. Plsasanton's theory
b. The srAxpAaD. several neathssgo.
end . posing dssssipasa = The *
psdnsats nads By hin, wls given.
olacs hist ZINE The GsnsEal. has con-
0sustl be Investigations, and has at
- eblsissd rscegsition fson those
Who diamisssd The subject - shs Va
easy d . lunatie whsa q wts first
bsssshsd. II win f rsmsnbsrsd