The Jasper weekly courier. [volume] (Jasper, Ind.) 1858-1922, 1869-07-30

'ic c-hctcorologlcal Observers "A Ion.
tle Line of Totality in The Unite,
States:
: AS the United States Naval Obscrva
Tory Is to have all its available force i,
me hcld, expecting TO contribute to il.
i'iii share OF labor on this occasion. il i,
uesifabie that. during the eclipse of the
sun. meteorological obcrvations should
ne ihadc within the belt of the totalitv.
WiiIi barometer. a dry bulb thernome-
lcr ana a wet bulb ihermoneter. n sofar
THERMOMETERS with blackencd bulb. en-
closed If possible, in n glass cylinder
from which air has been exhausted. and
an actinoinctcr.
The barometer should be suspended in
'iie Siiadc. and If provided with IA thcr-
lnohic'er. The temperature should be de-
iierinined at each reading. The drv and
wei bulb thermometers should be s,is-
pehded IN The shade in such manner as
10 prevent. as fur as possible. the abnor-
MAJ influence Of radiation from the sup
rounding bodies. and at tie same time
secure free circulation Of the air.
Ire solar thermometer should be
placed III slender wooden crutc!!es. about
SIX inches above the green grass of n fjeld
or lawn. and in Il locality where the di-
reel solar rays shall reach ii from sunrise
TO sunset.
Observations with the actinomoter
'ho'iio be made IN open air and the bulbs
'hould. as laras practicable. be pro.ec-
ea ifom ne Influence Of all currents.
IL possible. observations should he
made at each hour OF the dav and niohf K
u tle 6ih. 9Th and 9Th of August. be-
al midnight of the 5th. ,
II observations can not bcmadc tlurinp {
ne highl. great care should be taken 10 i
make them carefully at each hour of the
lay.
y careful statement of the character of
ne weather should he made AT each oh II
crvaiion.
ON The 7tli Of August observations L
'il'i the actnomcter should bepin atlg
IN \. NJ. and be made at intervals of
hlrly minutes until the first contact of
ne liinbs OF the sun and moon. when |.
hey should lie continued at intervals oft
~ minutes until the last contact. or un- u
! sunset. One observation should be "
iaGc If practicable. during totality. j
Inc barometer shond be read nj infer IL
ais of twenty minutes while anv por- 0
on of the sun is eclipsed, and once dur
" totally. "
me thermometer should be obseryedIp
intervals OF ten minutes during tbel
'lipse. and once during totalify. lit
he time of the beginning OF the total
DseIvation should be carefully noted by
ie crock or watch by which the meteor
ogical observations are timed.
me belt of the country in the United :
Ia'cs over which the eclipse will appearl
!al ls about one hundred and forty
lies wide, and from the east coast OIL
ortl Carolina stretches away IN q lal
direction. through North VI
'roii!ia tennessee. Virginia. Kentucky. WI
dlana. Illinois and Iowa. and the ccna
Il line of this belt passes near the fol.
wing cities and towns in Indiana: IN IN
orydon. Newton. llaysvile. NIays- ia
ic. Bruceville and Washington.
All persons who may make such obser- mi
ions as described above will confer =
'at lav )r If they will forward the oh ,od
valions together with the errors of Wv
'ir instruments. if known. to,thc SUI
of the United States NavoIlb by
scrvatcry, ID. c. on.
'apers circulating in those sections lcat
ere the eclipse Is total will confer q kn
lntnn1uo0u 1aaai