1000000030

1'.

1:1

l!l, ir nlllHkr

~nd

~:.:nfi"n

CI'~r

C,'

I:rc~l. i ~i1c.d

dllllinllhin~

lhe dedlle.'! virlllc i" lhe hody

lh~ lIl~n,

II dl '-lher

,u~IIlCnl

its flrenglh and

qll~nlil r.

[t' ll"s pe,run gi\'es l"s

11.1110

1" Jnotller

like\Vif~

/l.IIIJiog

,, ¡iln,lar p:cce uC,olin, he IOtl ",ill be

c1urge.1",ilh de,q,iClI nMmr;

~nd

the f.,:ne lhing \\'ill

¡,.'ppell

dlly lIumb« of pc'¡;'ns, l,ruvideJ lhey ildnd

11'

run rulio,

~nd

conutlllnic.'le Wilh one anotber by an i,oo

duin or olher cU'lll".:!ur. HUI the whole

cump.ny

.VIiI/

1Il11.nlaneoully lule lhe ",hole

01'

their e1eltri",,1yinue, if

"ny oon·eleétrdied perl,," luuch a li,tgle man, or if

th~re

ue any eummunicallon uel \Vee" une uf lhem anJ

conduamg fuun.nce.

lf lhe lidl man remoyes his hand from lhe globe,

.nJ al the

f.me

lilllekeep his former UJlion, he and all

Ihe rellwill p, e!"r\'c the power of amaéling anel repel.

lmg light fublldoees for Come lime; but it gradual/y di·

",iniOles, lill ilSe/leéls tOl.tlly dif:'rrear.

Ir a non·eleél, ified perfoo pUlS his hand oearthefira

rran's

f~ce,

he uil/ feel a kir.d

0'-

almufphere furround ing

lh~

elcélriti.J perCun; if he .dvanees his hand Itill nm·

er any pan of lhe

f.ce,

for example lhe

noCe,

uOlh lhe

POiOl of lhe finger .od t!le noCe wil/ appear lumioous in

the duk : Laltly, if he louches lhe nofe.

fpark of fi re

infiaody explod:s wilh a crack. and arikes bOlh panies

equally Wilb a (bock more or leCs painful io proponioo as

lhe cleélrified perCon

\IIas

charged.

is by lhe explo–

tion of lhi, fpark,lha[ [hecleélncal maner iollaody traDC–

miu itfelf from one budy [O ano[her.

Vlhen we approach neu ao cleélrified perCoo, we

perceiye

exrraordioary Cmell proceeding from hisbody,

timil...

[hat of rhe phofphorus of urioe.

II.

An iron wire, r2 ,OOO feel in lenglh, IVas fufpend–

ed about Ii,'c fm from [he ground by filk cord,; ooe

cnd of il was cooneéled [O [he globe of an e1eélrieal ma–

chioe, aod al [he olher a Ic.d ball IVas huog in order

perceive \Vheo [he matrer reached il.

l .

Afrer five or fix [uros of rhe IVheel, rhe maller had

parred along [he "'hole wire, and commUOic.1red ilS vinuc

to rhe bJII, whieh inflandya[traéled aod repelleJ light

bodies.

2. As chis ball was equal/ r eleélrified wirh every pan

of the IVire, it is prob..

~le

rha[ lhe eleélric mamr IVnuld

ioaaotly pervade

IVire of a 0"1 grtater leoglh, proyided

we had

proper appararus for the purpof.:.

Semal me[al, aon other cooduélJrS w"re Cuu–

Oirured in pl"e uf rhe ball, and all re, eil'eJ the eleétn–

<ity io [he faOle ot.ooer.

4·

The bdl/ anJ o[her noo·conduélnrs, when [otlched

wilh [he finger.

~ave

a lumioous ipa,k aod as fOlan a

n"lCk. as \Vh, o [he eod of lhc wire oex[

[\le

globc "as

lOuched.

5·

AII thefe lÍf.éts ioO.ody eeafed wheneyer aoy per–

fon out

el~élrir.,d

tour.hcd any p.,n of rhe wi r<, anJ

commeoccd .g.,in

few Icconds after his hantI \'las Wilh–

or.,,,,•.

The fame dfcéls are proc!uced, lhough IVill, more

o,O,o"I, y, ",h. o h.,ir ur wookn rupr.s IVere fuhllllUlCd in

1,IJec of th= lill: CInes: Hut llley IVere en[irel y nupt uy

mp·rnpcs,

(If

when the

I"~

unes \Vere

I·I(·IICC.

7·

\V1l:o

h".ll"" rupe IVas CubllilutcJ in place of

V'JL.

11.

!\o.

I¡ (¡.

473

rhe wire. [1,( 1,::1/

:h.: er,d of i[ IVIS e'e1,i,;cd

~'ill

rlC'tltt r

cI,i:ICUlty

lh"n

",hen

lu:nn:H

(I.e wil'c,

cr~lc .

e,,,I/y ",heo

r!,~

rope

\\'~s

Jry; UU[

'·.:,ca tI.e

rOFc

,~.,s

wet, Ihe uWter pall'ctl ..ilh more c?Je.

8. WI,.:n, io pl.,cc of the wire, a dry ro,,: corJ, or

l"n~

glafs luhe, ,,'ue uC<d, lhe)' rc(ci"cd hUI a YrryCIO:dl

9nanlHy of ,he 1\>3\;er, wh,eh w"' oot perCClvabk in the

r.1.f, lubt al"':e 12 fect, Dor in lhe cOftl .boye 25, be–

yood the rolubr..

\Vhcn the IVire IVas cut io

C"¡-~r~1

pla.:cs, anJ eh:

cut eods kep[ .[ [h. dillanee of Cumcwha[ 1& lhao a fON

(rom

c~eh,

lhe eJe" ncal maller d:lf!cJ [hrour.h all lh<Ce

iOlemtplinns, anO 'I'pe<fed in lhe hall al [he

fUrlh~a

end.

A Ilrong

\,1.,11

m"t1c hya udl"ws acrofs or.e of the in·

[erruptions, d,e1 nOl obllrué\ the palf.'ge of [he Illaller ;

neither Jid the inl<rpofitioll of

piecz of claC!, \'Iax, and

other noo-cooduékors: bur al/ conduétors, as th< hand of

a mao, the poio[

a IIV"rd. anel cyeo a mo,ll ("apour,

ouli ruéled ils courfe to",arJs [hc ball.

10. \Vheo a mao !load 00 a piece of rofio, and

pllt

poiot of a Cworel in ooe of [he interrup[ions, he \'las in

Ilandy filled IVilh [he mmer, although nellher he onr the

fword touo,cd the wire: oeither WdS the courCe of the

m,[ler lewards [he uall uu!lru(!eJ by [he io[erp"firion of

[he f",ord.

11 . When a riog of braCs wire, about [hree fm in

di.,me[er, IVas CuCpcnded in a Yeniral direélioo, and [he

iroo IVire IVas made [O p. Cs oearly through i[s ceo[re,

wi[hou[ touchiog aoy pan of the

eireumrereoc~,

lhe ,iog,

io whalc"er part of the IVire it ",as tried, was C."fibly

eleélrified. This !hOW! that the clcétrical mmer ex–

p10ds tO a coofiJerable diliaoce on all fides of the elcc–

trified boely.

12. The (,me iroo wire Cufpeoooo by

fiIk

eords IVas

ex[eod<d 6000 feet, (juO one half of irs leoglh), in a

flraighl hoe; [he other halhm luroed back in a parJlleI

dirtétion tolVards the globe, IW'i,,& abour óioe or rm

¡oches

inleryal be[ween [he llVOhalves of [he wire :

Earh eXlrcmi[y of lhe IVire

w",

Cupported by a dry rolk

cord about Ceyen or eigh[

fee[

from lhe globr, aod Ihe

lead b, I/ was huog al one of ,hem. Ao i,oo ehaio IVdS

then fixcd Wilh anolher fi lk eord abo

the globe, io or–

der to reeeiye lhe matlCr al one of its extreOlitics ; lhe

orher end

lhe ehaio was fixrd to a rud uf gl¡fs

abo~t

r.'·e ftCt long, io fuch a O\3oner

rh~t

lhe maner

recci.ed

from lhe glohe mighr be

rr~"fmilted

ar pleaCu,e to the

wire, by' pplying rhe eod of ,he fixed chaio to [he gl:'¡!

rod. 1>lattm beiog thus preparcJ, afler five

01"

lix

turos or [he wheel, lhe chaio IVas applicd to one eoel

01'

the \Vire ; a[ the C,me iolhot ,he bJII at ,he olh:r end

am,éted and l"epdlcJ bils of Aol

,I.lc.lf

Cllne

C):pc–

rilOel)[ was rC¡leaten, and. finra .pplied tolhe b. II, and

• Cp3l k ilr"ed out. ,nd a Ihock was r"có\'(J al the "c,y

inOaO! lhat lhe ehain "'as

n~pli\'c1 1o

Ihe other end "f the

wire:

A I'r·a' k

likell'iC<rrocwk.l l'ro01 [h< dldin, whieh

.fi',,,'dce! an

c"Cy

r'pporltu,ity

c1if,ove, io~

lhJ[ the

[ \\,0

fl""ks

\'Ierc

l",rfc8 lyCyochrooous.

1"1 Olll

th~ft:

cxpt'rinu:nts

,IPV~d(S,

l. Th,,, lhe

d...

lli•.

'¡

"'am , C('''''llltnira[cs ¡tCdf

J:I

onn-:!c!! ri,s, ur

c~nllll~tolS,

wh.[

I'l'r ue 11"" uu," t'r

cx:,.:,,!j'JIl.

:. T::.l: