The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1875-04-03
Bond e Son 2ss

At tnat time the correction TO Howard, C25 waa
approximately plus sm. 28s- Hence 81. sum- g..
Dy Bond & son, 2s0 corresponds approximately 20
3n. 3Sm. Is OF local mean time, ana the contact
seems to have occurred earher than was IRE
dlcted AS soon as tins observation was recorded
turned the douDle-lmage mtcrOmeTer INFO the
proper position and Attempted 70 make measures
OF the cusps but IN vain. the sun was ouy yls.
Die W glImpses so tsanstory that could not sue
coed ~ getting . single trustworthy measure. ls
peared ~ IN. Sim, the seeing was toergby good;
nat between IaaS sine ana gu lln y iaridy
excessively The sun was then covered by 4
.-cloud Tor eighteen minutes, ana wnen i reap.
.peaTed the definition WAS much improved. Poo,
ably the very great disturbance exhibited Nv tae
atmosphere was largely que 70 the herre rays OF
which nad just Iallen. made the following
METEOROLOGICAL OBSERVATIONS.
Barometer. IherBsU9tefe7s
Time. LncheS. Deg.
s3:l5 =. M................. S.S- ~
rne barometer enplotcd was my aneroid Casella
No. LIS, tue index error OF wnch Is O-0J lnches-
! am scarcely IN a position 10 say any thing about
me pa! steal appearances presented during tiss
TRANSIT; Out judging rom what the cluuus psf
united me 70 see, am OF the opiaon That me
thlrd contact was made perfectly, Sharply, VIII,
out any trace Of the so-called "Olack arOp.n
or twice ianced there were some faint IN
dicatlons OF az atmosphere about tha
From the beginning OF OCTOBER Sill De emoer -
tue moon was carefully watched whenever the
weather permitted; sut that was 80 seldom toar
we obtained ooiy two OCCUPATIONS and one culIni-
nation. However, this IS OF little consequence,
because nave slnce determined Geographically
the difference OF longitude between my station
and the Melbourne Observatory.
ERRORS OF THE CHRONoNErEEs.
On one point must crave tue indulgence Of tho
Commission TOR having unIntentIonasly ueglectcd
the instructions SIS clock vas mounsed IN one
OF the cells OF the Military PrrsO1, where
~ was bolted against interior BRICK wall.
twenty-one inches tuck, ana a. the cell
Kept closed. was subject 20 scarcely
any cnange temperature. Under these
circumstances ITS rate was PROBABLY very steady.
The cnronometers were kept IN the transit house.
considerably.
besides being compared with the clock at oucd
whenever tney were used they were also coIu-
pared regularly at nine A, NJ. daily. At tue Tune
1 vas unuer the impression that tniS was all that
the Instructions required, but / ma | was mis-
taken. The cnrouOmeters should have been
compared twice and the temperature should
nope the Commission VIII not deem
this a serious omission, especially as | think ian
required Ia tue reduction OF the observations. Ia
reference to the amount OF work accomplished
mere between October ! and December Is, allow
me 10 say that II has Iaen FAR snort u my expec-
tatlOns. regret tnis deeply hut II IS due solely
30 the unusually cloudy weather wnlcA prevailed
night watched the sky. and no opportunity Of
observing which occurred before midnight was
ever allowed TO pass unused.
JOURNEY 70 NEw ZEALAND AsD CHATHAM ISLAND.
on December 70, az tue instruments Tor trans.
uniting Longitude signals through the cable be.
tween Tasmania ana Australia were not yet
ready, embarked ON the Swatara and sailed Tor
New Zealand aud Chatham Island. during the
| trip mace complete sets or pendulum observa-
tons az Port Chalmers, New Zealand, on December
~, az Chatham Island on January and 1t iuum
Harbor New Zealand, on January IL. | returned
70 HOBART Town on January %. ana since then
have exchanged longitude signals by telegraph
with the Melbourne observatory seven nights,
\ out only on ave OF them were simultaneous time
Il observations O0tained at Doth stations nave
also spent two days IN making set vi magnetic
observations Ia the Royal SOcfety's Gardens, neal
+ the site Oi the old Magnetic Observatory.
Toe records whIcl | sent nome by Mr.. Waldo
4 were COPIED upon foOscap paper Tor convenience
OF carriage, out Will iurDisn sac Commission WIZ
anOther copy or them, properly entered ia tns
vi A
time 10 read on the cnron0graph sheets c0nSGin.
Il ing the observations made since January ~ qua
\ that will be done SOON as possible. Very re-
spectully. WILLIAM nARkNEsS,
Professor United states Navy and Cnlet OF Party.t
Rear Admiral G. "A. DAVIS United states Navy
President OK gsanait Gonmisaiaas Mashingteas
-. ~