The New York herald., 1876-09-26
NEW YORK HERALD TUESDAY SEPTEMBER 2s 187sRPLs

therefore, regarded q justfying the brightest
ticipations ~ 70 the fussss OF New York
SOUNDING THE SITE or THE DENoLIsHKD REEv-
SATISFACTORY RESULTS AcHIEvED-DANaER-
Gus cURRxNrs ANSIHILArED.
Noswishstandng the notice issued by General New
ton previous the explosion warning cra OF every
description give wide berth to the locality OF the
blast until the results Of tho uphsava had been
tanned. q vcnturssomo or curious spirit led many
soils 10 the spot yesterday. much 10 the annoy
OF the officials at work there II feared
that tho blasted rocks would pile up around
tho sides Of the excavation, and form danger
Gus though temporary obstruction As an additional
precaution three massive spar buoys held in
readiness to mark the locality until the work OF sound
ing finished and the position Of any hills OF broken
rocks discovered The steamer Putnam, which was to
have planted the buoys immediately after the expo-
sion became disabled and tho work yesterday done
by the United states steamer Cactus OF the Eastern
section OF the Second division OF the Lighthouse De-
, partment Tho Cactus, under command OF Captain
Latham took the spars from the deck of the Putnam
and two O'Clock tho afternoon began the work Of
laying them out.
THE SPAR
which to stand guard the exploded mine until
the ork OF dredging completed forty-nvo foet
measure Al leo centre ABOUT Iect
circumference On the deck OF the Cactus besides the
spars, wero thrce massive granite cubes. each weigh
ing between 8, 500 and 4, 900 pounds To these the
spars to DO attached before they lowered
,nto the water. The powerful hosting apparatus
lifted these heavy weights and the banded them
they would paper boxes. Bearings were taken by
means OF poles erected the shore aud the buoys
soon position, marking tho outskirts OF the
great mass OF broken rocks below
WORK SOUNDING
began In the afternoon under The supcrntcndencc OF
Mr. julius Striednger whose efficient management
the successful operation electric machinery used
blasting tho mine Is due The work Of yesterday,
though very interesting and was merely
preliminary operation und intended TO ASCERTAIN
the minimum rather than The maximum depth OF
the shattered rect Tho system adopted by
Mr. Sriedinger 10 novel and is said 10 have orig
mated In tho government works at He'll Gate though
The modesty OF tho gentleman would not al
The leads and liros ordinarily LAID ASIDE Tor
q very simple nd oiicctual c0ntrvGnce. There always
than one arc made and tho discrepancies are due
the inelicicncy of the system OF using the lead For
instance concal projections OF rock may exist under
water, and the lead when thrown out among them Will
roll down between them and record far greater depth
than really exists for safe navigation On tho other
hand, should The lead tall and rest ledge
such rock different result would bc had
and conhicting reports made
rHK REsuLTs or rHR soUSDiSGs
al Hslets Reof carefully noted down, and, when
completed. will be transmitted to the Pilot Commits
soncrs. should any accident occur owing TO the IN
accuracy of the s0andings the responsibility would
upon tho government and reflect upon the officials
In charge Of the work hence the great caution used
and the evidont advantage OF tho plan adopted Tor
making tho soundinRs
The sounding apparatus with which Yesterdays
work wus done irst introduced at the wreck Of
the scotland IN New York Bay and was used to meas
the work Of tho contractors who undertook to
move her It's operations we're SO successful that after
the divers had reported everything cleared away
era obssructions were discovered which the divers
could not ird und afterward removed
1t consists OF two stout round bars descending
vessel tug. az was the casc yesterday, and con-
Weights Weight '' srs attached 70 preserve tho per per.
pcndisular again,. the propeiling force, and
shan from nsa ona x %esus sn
bars II may be lowered to any required distance and
is not cumbersome As the bars are mado in sections
uud may bc screwed OIL at will With this
,rangemcnt broad sweep be made and project
ing point or rock escape detection. The bars arc
marked out In feet and record Tho depth with exact
nees.
At halt past two o'clock tho little tug thus rigged,
began the search Tor what she d,d no! wish to Ind,
before aud TO continue the paradox tho result sat
siactory disappointment.
made at distance Of 200 feet from shore, along
an arc around Hal'esss Point and the exploded
mino. A limo taken ashore from the tug and
served as radius on which describe the arc. As
the tug steamo along tho mon on shore ran with tho
waiers edce m ronnd the no,nt in line win the tmv
| Tour after tour was madc In the same
manner at creator distances from Shore and with
delighted with the results, for not rock obstacle
| OF any kind encountered during the afternoon
Passing soops and schooners cause1 some inconven
BY getting In the way, and the steam whistle grew
hoarse warning them to keep out of tho road The
sloop yacht Caprice passed the Of the blow
up and other smaller pleasure boats loitercd around
the ncghborhood, curously watching tho little tug
she steamed up and down her course like u
sentinel In recording tho dopth Of water found at
the different distances from shore the number Of
feet shows the amount Of waor there at mean
age low tide. When the work began the tide gauge
showed four feet tho average low water
mark ana the shaft made the tour unhindered ut o
depth OF sixteen feet thus demonstrating safe pas.
sage for vessels of such draught At point where
day before giant rock protruded from the water Tho
last trial made at $50 feet out and showed dcpth
of twenty-onc feet at low water
Tho following Is a record OF the days work.
AT 200 YEYr SHORE
Feet
Depth Of shaft. ID
Ttfo ahova low wate m