The Waco daily examiner. [volume] (Waco, Tex.) 187?-1888, 1886-06-29

Causes 81 the sever. thunderstorm
OF Modern IIn-s

OF Modern Times
From the flryulcsl Review
Tue researches OF Prot \ou Pet
Iold, karsten, Weber amt others
have proved that the number Of dam.
Hgiug strokes Oi lightning has CON
siderably Increased during the last
MY wears. and this increase can not
Unexplained by the theory that. ow.
INK To- the growing number othou-cs.
factories, etc the number of light
mug strokes Increased proportions
/ Mcl} To the contrary the number
| ought to decrease, rs every building.
even when not protected 10y "a hgh.
/ mng.rod, effects all equilibrium OF.
/ the opposite electric potcutial- aud
/ therefore the number of lightning
| strokes ought relatively Go decrease
/ with the relative uumhcrut building.
| lmH, Indeed, is proved 10y the tact
| That IA the space oi one year among
| 100000 buildings there occurred bat
| thirteen cases OF lightning strokes iu
| citic-, against twcutN-thrcc strokes
I ON buildings IN the country We
| therefore have To take this natural
| phenomenon from another point OF
view, aud To consider the ratio of
damaging or other STROKES to the
number ut buildings in certain dis.
trict This ratio called los the Ter
man nHturHli-t- blitsgolthr danger
from lightning) increased IN the
Kingdom of bavaria from lSst to
lHH' threshold according 90 record,
81 Insurance companies even i've
ioldl, aud other couutric, show the
same increase
As M nature rAch phenomenon .
must have It's cause, the question /
arises: To what cause IL duo the
above mentioned facts, And thus /
question not only lsot scientific in .
forest, hut also of great practical i'm .
portaucc \ great many theories .
hay" already been advanced to rN-
plain this phenomenon, among others
that owing to the decrease OF the
woodland, houses ARE NOR" aud more
made the projecting points OF GER
tam area, aud therefore attract the
lightning; besides, this decrease II
icci7 greater rise Of temperature IN
summer, amt, ia consequence, murr
numerous thunder storms. Othcr.
lnd the cause OF it in the large ia
crease Ol such constructions rs ga
ana water works, weathrr-co,h7 etc.
hui this theory does not explain why /
especially country houses, which
commonly lack these Kind Of con
7'rnclion', are meath e4H2-EI ,,bq
rN pam lh" increase OF danger from
llghiuinp the, nrr unt -,tIir,.,,t 49,
IllIN show the surprising rurrpn.r oT
strokes durlnV 40 -i,,rt . ,.,,,t
l here must Ice n NOR. GENERAL .nI
fundamental rau-r ,Ihr.,,,I, v,I.., ,
al the electrical Inteu.it, Iur,u,,. +,
thunder storm bee so -irpup. In ,
rrasrd that = larger uuubrr al n.,nt ~,
ing stroke, pass over tn thr rsrtl, 4,
han was the case heretofore, n i. I,
not su much the u,rrs.ir.., rr,,l..,
II thunder storms a. tLrir .rn,,., ..
oroc which produces the urrrn.rJ
LANCER
A. the main cause ,yr u,,y r,.in,
llt the enormous nrrr,-. ,tnr,,,.,
be last liny ears. of r.rr,ri,. r.
UAdB, steamboat-. nm .Inrt az all
ullimg the atnio,pbrrr
ith smoke, yapurs' pnrti,lrs ~ dns,
! every description. When we CON
der that every day thousands of
locomotives, thousands of .tonin,r.
q around the earth. that thnu.u,L.
factories of all kind. Inilv ami,
lormOur quantities of amnk, ga.
or. aud dust into the air That r.. =,
iclalIy IN cities, the nror nuu,L.r :.
houses produce immense uunnti ;.
~ Of smukc and dust the assertion c
III not seem incredible thai there II. :
rtAinly lOu times the smoke. dp,t. T
at gases absorbed in the atmn..
lcrc than WAS Ifty wears nyo Al a
ady with the naked eve the impur. n
ate the atmosphere may lac M. q
'ed. 60 through the coAi di.trirt.
Manchester ia England tbrnu,b M
oHc of Pennsylvania, through The
lrs of Essen aud Pittshurg aud
~ viii notice a LAYER of yauor CON.
'ntly lowering over them; the Air
illled with ioul gases, and every OH.
I IL more or less covered with the n
thing particle, ofdust. a.
heSr conditions beng established III
have to consider their relation. tn
violence at thunder storms Tn L,
e. the reader better coucrption M
relation We will briefly discuss
lheory OF the thunder storm and
origin Of electricity thereby de-.
oprd. Friction is now generally
rutrd To ne thn cs,,y,, a., =, 49,
llN IN thunder storm. friction
wcch air and PARTICLES of ice lar.
'llhg 10 Luvlne), or betw, air a
molecules ot water lHrcOrdinG 10 "
lrir'), Is the main cause of that .
lIltlly' when besides these inc-
b PARTICLES of dust are dlHng the
"Hphtrc the development of rlrc.
ny Is highly increased. II il the
non OF steam and ashes common
he PHENOMENON which causes the
Ider storms attending il to ~.
e 40 exceedingly violent chnrac.
IhHl the pyramid Of Chrops i.
''reL electrical by the whrliug