, 1869-01-28

by means Of sliding tubes the distances be-
tween the lenses Iney be altered at
pleasure, AID thus, within certain limits the
inngnl,yiug power changcd at will. The
dispensing prism Is compound, consisting Of
three rrsmr, varying III density. ccmcntcd
together by Carnua ba1satn the jninetl and
the extreme edges forming hi outline wlsnsc
t,rnl. ctlon M plane perpendicular IL sa,r
lenses would i!are thr fnrIn Of thc 1c:'tr W,
.hHt thr light nf thc rrrrirrm I"'*.H
through The tube Of the tlcwiug telescope In |
direction unchanged from that III which 1t |
first enters the instrument.
Matss Tcnnahs's party wns attcd ont " |
The tsorctn'nent or fndn mud furnished With |
t,I' Tor ,Ils work! Tic ,sictcopc ,naie BY Sir.
lsrow,lns for rhotograrl.it'1 the eclipse Il
Gurtl!ei!ca with u siisrrrd zpecu!u.n,
nine nnd a. quarter inches IN y.
amcltr, aud hye feel n!nc lurlca IL
!.caI lrnr1a+ aua Is mounted riHttiy on 4 n"w
plan, which iahurcs ,pesmnucncy IN adjuut-
incni. and prevents t!cxltto. 4 pccull,rli'y
Of tlie Instrument II. thnt fn iEonl VI the
plate TN which thu1h '.ngrarhIc Impression
T. tn lie tahcn, there are i"o Hug silver wirca,
within u hunlredth oi IN inc!t ol ti.r p!utr.
Al tit.c wires continue in the same position,
gnl arc photographed IN each picture, they
make tho negatives comparable with each
other,
The great obstacles to the observation or
4 solur eclipse arc tl,r clouds. Had these
concealed tlls one, The disappointment, after
snch elaborate PREPARATIONS, one could
scarcely estinale. iet Provldence SMILED
thc expectations Of thu most hoprtal. Dr.
Weiss writes ;" We made preparations for
the observations without much hope, but
to:k courage somewhat Wien towards 6
o'clock in the morning, come gaps, appeared
il the clouds near The sui, and in ono
-4144 h1s1r fanr$ .frrr eF
tusality, nc caught sight Of tho ann's crrs-
cent, already very narrow. but BOT until i've
| minutes before the 10: e expected moment Of
| totality did Il pass into perfectly clear part
| Of the sky. There 1t continued throughout
the whole duration Of totality. ena bling Us to
planned.'' Lieutenant Herschel says:
s.About quarter Of minute before totaliry,
| thick cloud obscured the sun" Yet, When
| the actual moment arrived. be VAS enabled
IL obtain results positive aud interesting.
| Besides thesc, simiiar reports have teer ra-
cciyrd ltuin clhe1s.
! DAnESEss, &c.
AS the expected time approached, every
| enc was in fever CT excitement and an 1iuty.
| Dr. Eeael d.s. rifles tle laudStap- RS peculiar,
'.witl1 half moonlight, half might CT
tecl.' All wtFe surprised that the dark
| n,ss was not 50 intense rs expected. "On
| board the R!heman,h III the coas. Of Bor-
nto, the iowls aud 1,iy"uns went to roost,
hut The cattle showed no signs Of uncasluess.'}
! II unite in expressing the ease with which
without lAe mid OF artificial light,
except in 4 few instances where lamp was
necessary 10 sec the iignrcs upon the lI,stru-
| 1Ecnts distinctly. Thu magnetic needle dis
pis:td 10 eslrrt Of any kind, Barumctrrs
did not vary apprcciah!y, nor Thermometers
in the shade. THERMOMETERS. however,
which were eSpos.d TO thc sun, fell six 10
ten aeEIeeS.
| GOVERNOR BESSEssI's 'nonsEs' TAILS"
! No one seems to have seen Taat arc known
! as " Eallsy's EeaI>:'' but U.s. 81 fringe pie.
nomcnon was viewed by all me Borneo Oh.
! etrvcls, Which is thus described by Governor
uen1essy:
"Ihc line OF round wl,:e clouds that lay
uear the horizon changed Their c:,!o. aud as
rcct with great rapoity. AS the ob:erya-
purple. heavy louking, and with slllrply.dc.
lined edges ihey thcs. presented the appear
ance Of clouds close 10 the Aot.zon alter sun.
SIT. 1t seemed as If tut sun had Sc. at thu
four points OF The toriznn. The sky was o.
a dark leaden blue, aud the trees looked al
most black. Tho faces Of the observers
lovEed dark, lut not pal1id. nor unnatnsal
The moment Of maximum darkness seemed
10 s:c immediately teiofe tue total obscura,
tiop, ana for 4 icw eeCos ds nothing could
te seen except objects close to the observers
"Suddcn1y there burst forth q lumin.u
| IIkEN H1UuEu luE AAle ltl- "AS IOlu
poted Of multitude OF rays quite
irregular in length aud io direction
from The upper and lower part
they extended IN bands to distance O
more than i"!ct the diauctcr Of thu sun
Other bands appeared 10 fail towards on.
side. but in this there Was no regularity, fol
bands near them iell away apparently tOwnrl
| tie other eide. When called attention Il
this Lieutenant Ray said, Yes, see them
they are like horses tails, aud they certain
! " rescmbied muses. Of luminous ltajt i,
complete disorder"
THE rRorrDERASCEs AND THE connSA.
. The most interesting appearances. how
. | ever, srrn during total eclipse dt the 5u1
; are, perhaps, the "eorona" and tue "pro
tnberanccs." The former Is Il halo Of l1gh
which appears about the mooa when con
ceal,ns the sun. and suay lie compared t
! the nimbus or glory oflen represented :,buu
\ onr Savier md The sntn!s. It Is usually Wis
fble i moment ar Two bcit,rc aud nt:cr tn
total observation. The 'protubel AIRES
are irregular flame like r!cyaslons aroun
Z tic noon, because tins they a.
=. Icar, although their real connection
known to he with the sun. In thp eclipse {
lust August. the number Of Prota',e!an
! seen Varied from two tu tuur. In DR.. V3CcI
first photograph OF them, "shc i .rk eds. .
I yations on tue one side, while Gu the 9TH
there appeared q peculiar kind Of horn" Til
y h0tn spnkcn nf he estimated 10 have I'LL ut
:, tUdc o' nbout oncf fourteenth OF tAr su,l's Il
a aluctcr, !. e., over sixty thousand {accurd1n
- y 10 Dr.. Weiss, about utncty lluusand} Eng!is
n miles; aud. according To Na}nr Tenant, In
T. "Tfmarkahie spiral structure" Iu ID
lie Vtccl's last picture, the elevations on I'll
Il other eide sreln to have d!.appratc
l. and about Sky degrees lrum Them, m.rr {
less, similar oLcs showed themselves. III
color Of these Vronincnrcs !, vario,,sly d.
T. IA
iority. prrhaps, describe them as rose-co
rrrd, hut others, pro.,ahty inst as reliable
say They were ~hitS, aud Dr. mciss drsrrin.
tic color Of the hnecr-sharcd .urn as . ''viy1
this variation of statement is that the ,,su,,
inences arc really white and the colur,
Appearances were optical deccpllous, oce
Is sinn.d d by cnlur tlinlncsS and the non.achr
ns matte character cf instruments employed.
- RESULTS.
Iv Lieutenant He1sclsct found III the spc
- truIn Of these protuoe1auces the iues
H. Major Tcnnant, {, D, b, With s'lracrs rs
Id haps in the blue near Il; land II. Ray,
/: WHO was tn NJ. :steFhaui's party, B. D, 2. b,
agree upon llnc hitherto unknuEn near
- Those who were enabled 10 SET the trs
Sc 1rtlm Of the corora Il, al:, describe it as
de very fainf, continuous one. These rest
.csm 10 Indicate that the sun is surFound
I'd by d n0n-lumiuou5 gas, into which rise Y;
|
~ high, containing, At least, hydrogen, If
in aLd magnesium. The line D would uppt
nd 10 Indicate scdiun,, nnd yet writer in
IL Saturday Herie'r says that "wlatcver t
full fright line may be, ii Is certainly not Il
Ut Obseryaiieus With the ,p,lar;>copc ST?
ch that the light from tile prutulrsatrrs
en- | unroiarizeu, while that (rom ths corona
I'M strongly polarized everywhere in rla
~ passing through the centre OF the sun.
lth The most important discovery made, ho
means Of ws Tie ~
~, ances may be examined without ,
- aid Of an Opaque body intervening
-, ent Of the ligh: Of the N
n porti, = Of The sun. j. y. Lockycr, F. 4.
- s., OF London, has also 1br sotEc time had
,ht promncnccs under continual o:scrvati
IN. coyered, in addition, independently Of
cclipsr, what be describes as go gasrou,
uv rclorc OF the sun, alioxethcr new 10 scienc
On on Mr. Lcekycr is enabled 10 distinguish
H.. pruminences from the limb OF
os: ,'na4 ,u9 ey admitting n3.In t%o va, sliss:
leu leu tie sui If his star speetrescopc. One
~ these from The limb If the sun, is spread
~ ~. into i long, broad spectrum, but the OF
a' into three or four bright lines only tt
ore Is dispersed more than the other, au1
the relative brii!iancy Of the two Is altered.
tbc JannEcn and Mr.. Lockycr undoubtedly nj
erc then. discoveries independently, and dcsl
d. t4ual credit.
I'M. THE NEXT SOLAR ECLIPSE.
nj Inc coming summer tAuIust I, lsI9,l
rce conutfy is also TO be favored with u K
Of eclipse OF the tun, it, many respects II,
Lcly favorable for obsti yation tlan the last.
Iit curling in land Of railroads aud lelegr1
able Nnes! aGetso " ~. central Ahe VIII pe
IN. beEuc, and II ~ hoped ttat .hcsr Will beck