Daily national Republican. [volume] (Washington, D.C.) 1862-1866, 1865-07-28


until that result is obtained.
The same quality Of coal is to be used in
both vessels; II will be weighed on the wharf
rs 1t Is used, and carried on board, so that
the dip Of the paddles will not be changed
during the trial.
The smoke-pipes to have the same height
above the level Of the CRATES.
All tho coal used and all tho refuse there
from to be carefully weighed on the same
scales. 10
The indicators to be attached, one TO each
end Of the cylinder, and worked by reducing
levers are to be tested before being used.
The temperature Of the steam to be OBJ
,ained by thermometers placed in the steam
pipes near the engines. .L.....
A log will be kept for each vessel, in which
will be noted, at the end of each hour, the
number on the counter, the average number
Of revolutions por minute during that hour,
the average steam pressure, vacuum in con-
denser, barometer, temperatures of external
air, Of engine-room, Of fre-room, Of steam,
Of injection water, of discharge water, and
Of feed water. ."1 .
An indicator diagram will be taken at the
end of each half hour from both ends OF the
cylinder of both engines. The weight Of
coal thrown into the furnaces during the
hour to be noted. The weight Of refuse is to
be ascertained at the end Of each watch The
throttle valve is TO be kept wide open.
A Board Of Chief Engineers Of the Navy,
with n proper number Of assistant engineers,
will be directed to report to you for conduct
ing the trial, taking the observations and
making the report, as soon as you inform the
Department that the vessels are ready for
| the trial
w.tohos enJ ,.;,i a.. tha ooaI ,..;ah.a 80
hN anu stn ~" 'e S"1 oVai "e,sueu, thNe
'"1 WhOn 1h'sso' tho as,. neSP sno e1
; s;,, s1 w. ,,i o I1uy ior ."e e s.'a, 49, sne
S.;U, ,hn ~ 81 ,hs ad,.;oU 10 a 80 V u,;s".n uS
sO,;on '"'A W '"e ''nU'''O" VI u"'''' III
"'SrSn TSn 0.;n, wru ,ho, ,o. ,,
Tor ninety-six consecutive hours viii be con-
Quoted Tor economy OF fuel in proportion to
power; after which for the succeeding ninety.
| a. .on.oa,,;,,o Lo,r. a I'll l. .J, a
win ths utmos, nowsr Tho two ono;nos N
| he made IN dsvcipn
tn n,oob;narv nF .h. A,ro,o,;n ,,;u h.
| onara,od hv ona;nsors an,a;n5oJ hv ,hs con
trantnr an3 .oeord;ns ~ M d;r..;;on IN.
nsohin.r, os tha Wj6oosL. ,s;,I bo al
accordinc IN tho d;roct;on of tha Cb;.r os ~.
Pnrasna as Sean Fna;noar;na '"' VI '"'
A. Tho onJ Of tha axnar;,nan, ,ho Road
Of ch;sf Rna;ns.rs viii renort to,otb.r Nth
onv ohs.rvat;ons tbsv NAV dam ~ sarv;oa ,a
ths Dsnartment or necsssaIv for its ;nsorma.
| tion, the economy of the two svstems of mn
| chinerv in pounds of coal Ser indicated
horse hover, md the maximum nowsr thew
could be made to deyolop, and its cost in
pounds Of coal Der Indicated horse power.
The Commandment of the New Yark Nav.
ward will be directed 10 furnish Won the yss.
sells men. and ali the facilities Won NAV
reouire
| The original LOGS md diagrams IN bs for
yarded to the Departmeut with the renort.
Very respectfully,
(Si0nedI q Wr,,rs
Sscretarv of Tho Navy
Rear Admiral F. II InrGoRy,
NAVY DEPARTMENT,
July 20, 1865.
70 ", =. hnsrst T Esq., Prssf' board or EXPERTS
Sin Thc Donor,won, h.. a;roo,.a p.or
Admiral Gregory to institute the competitive
test required by the contract for the ma.
chlnery OF inc algonquin between u and the
aony a. ,h vi sno W. w'n1oska: 9. ne VIII make
~, ~ n .no wnarl An :mo si'y Sl New otk, ana
tne DePartmeht ."nn oe pleased 70 nave as
many members Us may DC convenient Oh the
poaru, no" cohuuetlhg 'ne eomparatNo eA-
pIronIs on yonoIs tor ~ " Witness Tue
u,al, anu 70 mihe my report or suggestions
oonSo'n,ng ma u, they may aeen proper.
| NJ 1p"I'a'ene T% p IN gwen slni'af INVITA-
| .oc;ota him MN ,onrsaIv.s