The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1852-06-20

rock until Il is reduced to the depth Pot Rock
viz: twenty and halt FEET below mean low water.
As the roc ks here mentioned shall have been
items by Maile'ert and DE kaasioh WIN De cou-
nerces on Diamond Reef situated between Governors
Island AID the BATTERY ins Is lase rock IN 10 iSe' %
water A charge containing five hundred pounds OF
powder will be this rock OF which due notice VIII
be- given order that persons DESTROYS OF WITNESSING ms
On, ration may have the opportunity -Four ieet wl be
blown oh This ref which will give twenty ieet ut lox
water Should you greater depth desirabe, that
result can he obtained. .4,o -.
in which preparation If pot assn will DC used Tor blast
ing Notice will be given in the pubic papers Oh tue
fripg Of there charges ~
nt I; H. lan 81 .r.r...on subu'isi4i 10 Yourself by
Mr. Jo.eph Walker and Mr. Jane g. King, at your meet
ing Ior examining and auditing the account oil expea
ut the Gale and winch received your uninnous
approval - - -, ,,h 81
MAY stated that NJ Aailetert hld reduced rot Rock
TO he depth twenty and half Ieet below mean 10"
water This viii give u depth Of twenty six ana hli
feet ~ h. Oh and is sufficient to pass the lrge't line
Of lat hip over Il VAIN fGaS ~ hy III Sa Of Of ps
Rock The smallest boat may pass over what was once
Pot Rock any time Of tide. This great and wonder
full result Mons Maebert hasacconpiished by tho hrn
on the surface under water wi bout any dri-
ing two hundred aud eighty -four submarine charges
containing all thirty four thousand two huodreu ana
thirty pounds If powder and AT cost OF less tha
thousaLd dollars. very small sum Tor euch Work
To-Day the weight If the charges fred on Ways Reef
have been incr td from one hundred 20 one hundred
and twenty five pounds each
ihe money being USED to pay Inc expenses Of
moving these rocks Obtained as temporary loan at the
rate II cent and Is 70 be repaid from
sub cyipions to loan reimbnis,be by The general or
State from other funds hereafter 10 be
raised In work Of this Importance to the commerce OF
New York, difficulty will be experienced In
rapg he necessary funds and we also trust that Con
gress when the work shall have been completely will at
once MAXI an app 10 repay these looms 1t Is
work OF vast iu ortarce to the United States nnd, in fact,
to The whole world and is conducted with The greatest
&c nomy. We purchase the powder blasting cans and
yta
weekly sipula cd price for each charge fired on the
rockhe fcInshing the laborers employed, the wires
battery. and floats.
Tie expense Of removing Tot Rock Frying Pan, and
Diamond Ret. TO the depth of twenty and half feet
and Nay's Reef and Shell Drake Rock to The depth o
fifteen feet below low water will (probaby) not
fifteen thousand dolars-a very small sum OF money
for % great work.
The success that has attended Mons Mailleferts
node a submarine blasting will greatly benefit the com
meIcc Of the world I'll be the Of saving thou
sand OF lives nj ons Of dollars in Of property
for this system OF rubmarine blasting will be adopted Il
every place where dangerous rocks obStruct navg
inas much as but sna sum Of money is required to pay
the compared with what would be required undo
the old system.
His Excellency, the Portuguese Minister takes grea
interest in there operations and he has communicated L
his government the results thus far obtained at liur
Gate
In April last the Portuguese steamer Porto, made
dreadful shpwreck rock in the harbor Of Opsrto
thiryseyen lives were lost by this melancholy disaster
and within fifty feet Of the shore. The victims were
members of the most influential families in that civ
two young ladies. daughters of merchant of op,ro
peril he'd sight OF their hoe their father ofere,
thirty thousand dollars to any person who would
| them from the wreck. Another merchant offered ,
thousand dollars for each life saved the wreck
They have now obtained one of the Francis Metallic
Life Boats. and in hopes to obtain the services
Nessrs. Maiietert and Raato to remove this dangerou
rock by submarine blasting.
There are in our city many kind hearted individual
who take pleau in aiding every enterprise that ha
for its object the saving OF human life and the sub
scrpions have already received the expense
OF removing the dangerous rocks from the channel o
uri Gate is most gratifying testimony of this feeling
Mons. Mailletelt has entirely recovered from tn
wounds he received by the dis astrous explosion of
blasting can above water, during the operations OF
Frying Pan, the Goth of March last
Yours respectfully. Il. MERRIAM.
NV YORK. Saturday, June 10 1852
The firing en- Monday the 21st, is expected to com
mence between II NJ. and p. NJ. A red flag will b
hoised on the Iron Float ten minutes before the rp.
is commenced