Mountain Home bulletin. (Mountain Home, Idaho) 1888-1889, 1888-08-04

foegotten when the wonders Of the Quadru
plea sending four messages at onces. and ot
maitiriex -sending many telegraphy were
maie known Now IL u claimed that such
improvement has been made by Q United
states army oflicer. who h an expert eiectri
clai, that one wire will Eifii,e Tor the stimuli
tan,r's,s sending and reseivins of hundred
messages between dfty branch offices. with
''ut any of the naessages getting mixet. going
" the wrong addresses, or being understors
At any other points than their individua
ones Of transmission and reception. FWthis
the infinitely rapid substitution OF alternate
and neSative-by mean
of a disc. In which alternate segmeuts are ~
charged. and from which the currents an
taken of BY brushes, constitute the n,eair
employed Another important recent i'm |
pruvement in telegraphy IL the invention o. |
method for maintaining telegraphic com |
munication between . railroad train In rapid
motion and olaces along the line Of rosr
upon which 1t II travelling. 10 doing TIN
the message leaps through the air betweel
the metallic root Of the moving car II
which the flying Office Is established and th.
wire stretched along the side Of the road
10 the application Of electricity to tn
movement OF railroad trains and carr, th
inventions are numerous. In q general va,
they may be classified under two heads, thsns
in which the propelling current II suppl'es
from storage batteries aboard the cars, an,
those In which IL 70 transmitted through tn.
track or an intermediate third rail from,
generating station and taken up by WI,
brushes TO the motor on tho car The formx'
IL the Julien system, already mentioned. ai~'
hardly seems capable at present Of appCss
tion 70 heavier service than the propulsion Of
single cars, or at most very short trains, Oh
street railways to the second class belongs tn
Daft system, nnder which railroads are nov
very successfully operated in Baltimore an
other cities. Nv also the electric locomotive
which It il contemplated shall be employs
on the elevated roads of New York. Si
Paul has new electric railway OF novel con
struction Its cars are svSpended In mid All
from 7 shaped trestle construction. upon l.
single truck, which carries tie eles'tr,Ca
current to the motor with which each cur u
supplied The motors are plare'i directly Oh
the snafts VI the driving wheels over III.
sara II u represented that on the recent
trials OF the system the cars. heavily laden
started of easily up Q ~ per cent grade
turned sharp curves. were stopped and start
VI again promptly and with easa Elts'tr'e
rallrs,ads have been In operation In Eurols
tor several years. and In this one particular
branch Of applied electrical scieike We arr
rather behnd the times, which ID not Amer
A's usual position
MANY OTHER iNvrNrloxa
Electric motors OF all sizes. from one cal
up TO fifteen horse power, have now come
nto general use. are rapidly pushing small
team engines out Of favor. and are. In fact.
~ much in demand that the manufacturers
- Ia Nlv
them as rapidly a. they are called for They
are applied to all sorts OF uses. from wagging
fan on ladys work table. or running heI
a big printing house or supplying the power
required in large machine shopA
Electricity Is also successfully utilized foi
the development OF heat Professor Thorn
son has made practical application Of it in
the welding OF iron and steel At i-ockport
" Y, an electrical furnace for smelling re
fractory metals has been in operation now
yearly a year, extracting aluminium mainly
Another use for heat developed by eiec
tr,city Is the warming Of apartments by
means Of radiating surfaces. in which h,gl
temperature has t,een induced by electric cur
rents. tut. though this has been successfuli,
accomplished. 1t has not teen done as yet a
such cost aa to popularize its use.
Al least three Of the later utilizations o
electric science for the service of surgery ar,
| worthy Of mention The ''induction bal
ance," invented by Hughes and 3ell-firs
| publicly applied for the exact location OF thu
bullet iu President Garfeld's lacks mos
| ingenious contrivance, the uSe OF which /
Indicate by its employment upon that occa
slOn- The electrical cautery and the use OF
platinum wire heated to incandessence by al
electrical current for amputations are TIN
other notable surgical uses Of this powerful
and versatile agent
Somebody has got up an electrical lock To-
safe The only connection between the IN
side and outside Of the safe Is little copper
wire There h no way Of getting at the loci
by knocking Of the handle. no way Of feel
ing the tumblers and by delicate mapipula
ton finding out the combination. no hole o
crack to poke powder in and blow the thin;
open Electrical burglar alarms are 80 CON
mon now from the private plants in res,
dences up to the big combinations witt
watchmen, lanterns and clubs, such a. ar
used to guard the jewelry district Of New
York. that It Is hardly worth while to spea
OF them. except to mention that progress ha
been made here. too, In making them cheape
and moro effective than they used to be.
| 30 much has been said lately about Edsson'
new and improved phonograph that It harsil,
seeiis worth while to more than revert to
here Edisons separator for extracting metal
from ores that are difficult Of treatment b.
ordinary methods has been brought to prac
tical demonstration OF its inertia He simpl
exposes the d0ely puiverized ores to the IN
duence Of q powerful magnet. that take
out the metallic particles thoroughly an
rapidly.
Another novel application Of electricity /
for the bleaching Of sugar. French inven
tion. in which q number Of New York cap
taiists are interested Keeping pace with til
progress Of electrical science itself are th
multitude Of inventions and contrivances O
secondary cla0 to aid that progress, tools
machinery. chemicals and what not A.
application OF electricity that good man
people ars looking Toward 70 with curiou
4 iuterest-and some perhaps with little ~
prehension-is tts employment for tho exc
cution Of felons condemned to death Ne,
| York sun
broadway jewellery Show windowa
The jewelers. shop windows used to be th
most attractive In New York. That was Il
tho good old days. before window dresser
made broadway a panorama Of delight TO tn
female eva To recover the prestige once at
corded them by virtue Of the briiliancy O
their wares, jewelers. have begun to rezort t
ingenious mechanical dcviceA These are nc
like the mechanical dancing girls and auto
matte smokers OF the cigar shops BY an
meanA They are jewels themselves. bu
made TO look at rather than for private puI
chasa noted uptown jeweier puts far /
front In his Broadway show window q sma
gold brooch. In the center Of which Is a mag
niticent diamond star, cut from solitaire