New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1875-05-07
4 NEW PACIFIC MAIL STEAMER.

LAUNCH OF THE CITY OF SAN FRANCISCO.
NEW IRON STEAMER LAUNCHED FROM TIKI YARD ~
JOHN ROACH 4 SON. CHESTER. PENS.-TiE vHS-
SELL OF $500 IONS BURDRN-fIiE NINETEENTH
STEAMSHIP LAUNCHED FROM TIE YARD WITHIN
TBRER YEARS AND HALF-Two MORE ON TIKI
srOCKs
trRoM REGULAR CORRESPONDENT OV THE TRIBUNE
PHILADELPHIA, May 6.-The Pacific Mail
Steamship COmpany's new vessel. City OF San Fran
Cisco successfully launched from the yard OF John
Roach SON. at Chester the Delaware this afternoon
A small party over frUm New-YOrk 10 witness the
affair, among them being Sidney Dillon, W. ID. Scott
Gen. @. NJ Dodge, George Forrest, Jay Could
j. Riley Waldo Hutchins, Gen. Horace Porter, COmmo-
dUre G. r. Garrison, and Joseph Richardson The officers
and directors OF tho Company with their guests oooIl-
pied tile private Of vlee-Presdent Cassatt OF the
Pennsylvania Railroad and Mr. Roach. and those invited
by him. had a Pullman drswiDc-roOm car AT Phadel-
pha these two cars were detached FROM the Limited Ex
press and special to Chester, making the run IN
ID minutes
1t always holiday in the stirring town Of Chester
when a snip is launched Business the schools
close and the whole population tocks down to the river
To-day the wharves adjacent to the ways oil which tho
City of San Francisco stood were thrungcd with
women. and children, and on the waters were numerous
tugs which had run down from Philadelphia, and null
tude Of small craft At little after tho last prop
knocked away and the big ship slid into tho vator
I
ing Of whistles the blare OF brass bands aud the sgout-
OF the multitude Il the prettiest md sinootiest
| launch, the builders said. they had ever seen.
The vessel NJ three sister ships building for me
Pacific Mail Company at the same yard. one Oi the
others has her decks In and will be put aiOat IN about
six weeks and the other will follow month later The
tonnage Of each Is about $500, which Is about the
average size Of the finest English and
which 10 NewYork. All are 3j3 feet long by 40 4
foot WIDE with depth of 81 feet from the deck and
39l feet tuin the hurricane deck Their maximum pas
senger capacity will be 1913 persons In the first cabin and
| 1900 persons in the storage.
The machinery consists Of pair Of compound engines
cited with surface condenser and blk boilers ANA with
separate engines for working the air and circulating
pumps aud also the feed and hilge pumps by this ar
ralgement the main engines have no work except 10
turn the propeller The h-l pressure cylinder is 81
inches diameter and the low pressure s8. each having
stroke OF piston OF five feet This plan has tho great
practical value OF rendering impossible any
/ breakage of tho pump gear from the raeins "
OF the propeller engines in heavy weather thus nsnfns
ALWAYS me regular ana easy opcrntoh % tne PnnPs
the six boilers are cylindrical In lofi ana measure .
diameter by 1Olg Get long, tesLei for working
pressure at 30 pounds per square inch. There are three
furnaces IN each boiler ana the aggregate auiht OF
CRATE surface in all the boilers is $50 square ort ana
the Leatug surface is 1000 square feel Ihr
propeller Is OF the HrSch patent aud has diameter Of
20 feet and pitch Of 25 feet The shaft Is 100 eet long
Of tie engines will bo % 20 revolutions minute.
with speed of vessel III good weather Of ID 10 10 Knots
Tho CRY of San francisco the nineteenth iron steam
ship exclusive Of several Government vessels, launched
by John Roach within three years and six months
/ The The stocks VIII make 81, which reIn-
an aggrt value of S.UOOOOO The contract Tor
| the three vessels which tIe firm havo In hand for
1 the Pacific Mail Company Was taken AFTER Dlds
hSd been Ohancd from several English builders. and
the price finally agreed upon WINS a. low ns the lowest
foreign estimate. The construction OF these ships II Is
therefore claimed demonstrates that the best iron steam
ships be built u this country cheapy abroad
The City Of SAN Francisco will be ready for sea IN about
/ three months. IL whispered among the New-IOrk
party to-day she and her sister shps may moi be
sent To the Pacific, but may be American line
between NcwYOTk ana Liverpool to carry the thrnu2h
fIcsht nor, China and Japan ~ Europe, which comes ~
WAY the PucifC NAL steamers and the Pacific rAITUas