The Roanoke times. [volume] (Roanoke, Va.) 1890-1895, 1891-01-17

Tho town OF IacOn. ILL.,, IL e. cs.
toblish and oporats its own electric
lighting plant
Tho electric drill ia meeting with
great success In shipyards. Those who
have used it claim that In half an hour
it. will Lore holes which undor tho old
method 1t would tal1o two mon half y day
to finish.
-Licutcnnnt Fisk's idea OF forming y
corps or Latialion OF electricians, who
shall 10 regularly drilled and mado
availnblo for nclivo service in case OF
war. has been most on enthusiastically re-
cciv'd by tho electricians OF New Yo,i-.
Nearly 1000 electric cars arc run-
ming in tho United States Eo.tn
alone has about ono hundred miles OF
electrically operated roads. Several
systems have been developed to n per-
1eciiOn that insurcs smooth and regular
| service.
! "A Eoston man has invented a cato
for usc on orcn electric cars which, when
not in use. my be lowered below tho
floor out of tho way OF tho asscnger-.
1T is OF simple design and experts who
have examined il declare it to be q proc
ticnblo invention.
Tho tnk-tree is often struck by light
ming, The beech. very seldom. A curious
scientist discovers the reason of this tn
lilo In tho fnct that viilous lcavcs, liku
those OF tho beech, serm to prevent tho
accumulation OF electricity. While smooth
lenves, liko tho onlss do not
There nro several engineers who
lclicve TINT the time is not far distant
wien, by mems OF windmills, dynnmos
g. tri fo,
able to mako use OF largo amount OF
rover that is now going TO waste for tho
running Of mat hincry and for lighting
purposes.
Tho incandcsccnt lamp is said to NJ
ford much relief in cases OF fncial nou-
ralgia if it 10 applied TO tho par. affect
cd Tho lamp il also coming gradually
into uso in poulticins. When laid over
u faxsccd Or other ponltice constant
heat is maintained. which is OF great
Lcnt lit In many cases.
-Ihcro Is very good reason to nm
dcipate Mt comparatively early daLo
an increase oi capital in tho l,cll Tclc-
ph"nc Company to further tho extension
of tho long-disIanco system. Tho field
of tho company is yet .mall in compn,i-
son with what opportunities will offer.
and stockholders will undoubtedly bn
offered rights TO nm increased capitaliza-
tion.-Electrical Review.
Texas has n new source OF cxcit,-
mcnt in tho races OF tho mule cars with
tho electric cnrs- The races aro fro
quentiy exciting, rs tho roads M,
through long stretches of unoccupird
land. Tho passengers stand on tho
platforms and wave their hats and hnnd-
kerchiefs AZ their respective cars forgo
ahead. and Letting often Lccomos as
lively as on the race course.
"A Chicago inventor has devised a
glass switch card for uso in tclcnhon,
Offices, by tho means of which hc cl inns
that -, 600 metallic circuits may bc ham
died in space measuring, three feet by
five feet Tho cards will he placed
horizontally. and the plug holes will lie
partially filled with mercury. thus &C.
curing n dmst.proof contact. No enun-
ciators will he used. but the orders will
Io given directly to the operator, who
will he compelled to keep the telephone
continually at her car.
The latest adaptation OF tho mnrcu-
rial circuit closer is an invention which
makes it impossible to di. charge gun
NJ my OLhcr Than predetermined an
gle. In the stock of the gun is dry
battery connected. through tho circuit
breaker. with catch holding The trigger.
The circuit closer is in the shape OF Il
glass tube. partially filled with mercury.
into the ends OF which arc hermetiraliy
scaled tho two terminals of The circu t.
The tube is mounted in such Il way thpt
1t mny be adjusted TO close tho circu, :
by the flow Of tho mercury. whom Il ,
gun IL held mt certain angle. To
completion OF the circuit exci,os tho
electromagnetic. which attracts Ito
catch and releases the trigger, SO that tho
latter may BIO pulled Tho inventor
claims that Tho invention will in n great
part take the place OF sights. and make
night firing much more effective wh.ro
the range Inns previously Iccn obtained.
BURNING JEWISH CODES.