New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1873-02-22

meuts hay mo been made previously ;or recording upon
tuic a snas wh.ch pass from the East through the
cation ~ Duxbury Al the request o. Mr.; Dean inc use
ccded free of charge 10y Gen. Eokert and H. H. ward
Tie same officers Ia previous instances coOpcIated IN
work by the detal VI operators az inc Setot s
lions. As the Western Union Company use the cioscu
telegraph circuit while the London Company use only
tho open circuit the local managers ml9e ,he arIaSt
ments requisite for success IN the desired nerCahSe o
SIGNALS through the Geographic wires. Some delays oc
cured, owing toa defect IN inc Frohch Sapie nu'
several series OF signals for lonstnaG och u IIr
aud each subsequent night favorable iCr Op7eiNIb
stars, making seven night IN all preceing JaS ~
aud 81. Pierre ordinary messages pass ny teeAIapn
80 cells o. the Dauelis modified battery ne,ng IN use ~
were directly into the cable ana received ~ tho
distant station through cogdenSgri ana then =, p
of len enOtti cells used ut BrcSt am ~ 81 felt
ilo "V'o 10 vgas alike undrr b5Ih ARRANGEMENTS
H. ryii1 lnrpudc signals the personal and instru
mental re,ardaliOnS" were carefully hOlcu' IuV
length Of the telcgraphc cable between Brcst and
ST. Pierre about 1850 geographical or 29So
statute miles For difference OF Longitude 20
tween the two extremues of the main cable
The result found from the aonss in time 81 2Gn
s5 3 On July 81. clock signals were successIuiB eA
Wasngt0n and by the OH OF August the observers AT
The three stations had sausiaciO @
eight nights. The aggregate ienSth 9I {h n0
used in these operations - about l33 mn o. % r sd
ncy on Cape Breton Island. In the exchange between
Cambridge and ST. Pierre two telegraph lep9atis
90 was sed at Boston in exchanging between MigueOn
and Washington. For difference OF Longitude DetWeon
/ =
'' AL ST. Pierre Mr. Goodfeow recorded ransits of
o. zenith circumpOlar stars. The magnetic elements
intervals determined there by ms assistant MI
Scott While these observations were ~ piOaioS "a
pended magnets. MIR: GoOdiellow speciaiy ach9oTd
edges cations to John Colt superintendent OF tuo
French cable station St. Pierre. and TO his assistant
also 10 A. M Mackay superintendent OF the NcWOun1
Proyjpce! By the courtesy Of Admiral survo Of the
French Navy Mr. GOOdfellOw with aids ana equipments
was landed at NewYork. The Astronomical station al
ST. Pierre carefully marked by cut granite post in
the top Of which was inserted copper POI, b ~
geodeo measurements, the station was also re'rteo 10
| Gaentry Head lighthouse. 80, , -, mas,
unity in recording 0bservatons IenP ora sstoO
was erected in the grounds OF the Harvard Oesetvalog
At the temporary station. 46lnch transit lleiumohV
Ons the transits of 81 zenith and clrcunpOlf stars
of Inc several Observers the transit instruments used at
Brest aud ST. Pierre were brought to CanDIl0ga ana
carefully arranged brick PIERS ID me WIN lle
transit used in the temporary observatory The lhree
instruments were alike. Observations were conuucteu
through several nights each astronomer determining the
md NV noting f6e transit of the same star upon alter
nate taIies or groups OF fine lines About 90 trsuslts
were noted. the results were very satisfactory
PHYSICAL SURVEY or SEw-YORK HARBOR.
This work has made considerable progress during the
past season Although 1T is only part of general stddy
of the physical history Of the coast the practical I'M
portance OF the information gathered has naturally made
this a special point OF research. Tho work has COM
prsed the gaugng Of the East and North Rivers beside
surveys Ter oQ W on tne and SIND Hoo R,v
Incidentally few special surveys were made at tue
suggestion of che Board of Commissioners OF PhOs aud
the Department OF Docks OF Ecw-York CITY. Among
these was the examination OF the anchorage III inc Lower
Bay after the grounding of the Spanish fncate Numan
cia which vessel as proved had been placed beyond
best mOOrng ground Mr. mitchell WlOte an Oiclal
report concerning the matter in which he showed from
surveys that there was ample for IL such vessels
the Numanca TO anchor III safety. in the Lower Bayw-
ont fear OF touching bottom under any ecahstn'SS'
In q communication from Gen. Mcclellan written III D.
half of The Department of Docks OF Hew-fOrk City the
superintendent OF the Coast Survey was requested TO
gnate proper places Tor deposltng material dclScd
from the city slips The COmnlsspners OF IIots' nav
ing in view the preservation OF the harDor had refused
10 sanction further deposits OF this KIND within the harDOf
limits because tenor OF the report last year upon
place could be found whore these deposits would not be
directly indirectly injurious to the porf In advance,
however having no doubt that there localities
where these deposits would be harmless, the Supefn
select suitable SITES These were promptly pointed
out 10 tho Chef Engineer OF the Department OF
Docks and apportiOned By the Pilot Commissioners.
Tue ultimately preferred Is the eastern shore Of
Island, and tue survey since made seems to JUS
80 ,ikhetd at tlIe uDper end near Tie Narrows
where it Joins the channel very close survey
here, that the least change could hereafter
steamers and men for me examination Of tho dumping
ground aud betrayed expenditures incurred by the IN.
yesgaling party From The results OF Tue plyslcai sur
yey valuable information has been furnished to the u
Commissioners N reference to proper per lines for
Brooklyn, and that Board has paid part OF the expenses
OF the season.
much OF The marsh oiled mp thai 1t was found necessary
to survey correct shore line This survey runs from
Extensive alterations have been maze between Eed
Hook and the Brooklyn Canal especially by the Ere
Co The survey shows the exact condition Of the water
margin aud sOundlngs in Gowanus Bay as they are a
traced by Assistant Dorm 10 miles About 80 miles
OF shore line, the vicinity Of Newark Bay, Hacken
Sack and Raritan Rivers, was surveyed ana 2l miles
Inc sefTeGisterng tide-sause at Governors Island
has been kept running usual by Mr. Bassct. who also
Win box.sauee at Hamilton Ferry Brooklyn These
a
have furnished data OF much local importance For the
improvements now in progress the vicinity OF New
York City tic results gwen by the recorded series OF
tidal observations OF vital importance In order TO
determine relations OF tides OF the inner harbOr
TO those the connected waters II will be necessary 70
have simultaneous observations at other points. with
this in view, two udegauges have been made on new
plan with single cylinders. one Of these VIII be put
a. Sandy HOOK aud the other On The wharf.-the at New
York cry.
HYDRoGRAPHY OF TIE OF MEXICO.
At the request Of the International Ocean Telegraph
Company the first in this direction TO deter
mine suitable shore station for the cable intended to
communicate with Yucatan. The examination showed |
that great risk attend landing the cable anywhere
in Guadiana Bay. site near San Antonio Lighthouse
inside Capo Caion, was suggested as most suitable
From that station line of Oundngs was run ~ Mugres
Island on the coast OI 1ucltail anu iaFordnie Paco
indicated for landing the western end OF the cable The
greatest depth Of water was ll6i fathoms DE- simpson,
Who was on board steamer, made research regard
TO the forms OF animal life brought up by the dredgo
detected, but generally the bottom found |
barren, and wanting IN many forms which |
OF shoIreIa the dredge brought up from depth OF 25
fathoms a beautiful specimen OF PentaCrinus. IL
alive and foot in length At great depths the
thermometer Indicated temperature OF 39s' the sur
face temperature being at the same time aud place 80.
The strongest current observed at nine stations was two
knots per hour generally northward Whe ing steamer
Bibb was passing southwark, sh0a was found of Flor
ida between Indian River Inlet and st. Lucic Inlet
sOundngs show deph oil only Il ieeL hVe miles OH the
coast .
Dr. stempsOu's labOrs in the vicinity Of the Florida
Reef Undertaken in great measure for the recovery
the types OF mOuscs and custaeea collected IN pre-
vim
CHICAGO fe His expenses the cruise borne by
prof Aga.stz persOuay. The specimens have been