The times. [volume] (Richmond, Va.) 1890-1903, 1894-05-06

a shrili whistle WIZ De Nhe ol5H"l a.
the beginning Of each fifteen minutes
period for the counters 70 read ana LOT
a complete set Of diagrams from the
main engines 10 be taken simultaneously.
After ten minutes all the counters VIII
be read a second time.
To facilitate matters, two counters
will be fitted 70 each shaft one OF Whlch
Will be supplied with electrical detaching
gear. and care will be taken by means
If q kew 10 start and stop this counter
at the same instant as the stop walch
used for getting the time accurately.
Unless there is reason 10 believe that the
counter with a detaching gear has De-
come deranged. it will be given the
preference. in case OF dlHerehce DC
tween the two counters
Diagrams will be taken from the air
pump and circulating pump engines once
an hour. and an effort VIII be made 10 DO
9, when they are running under average
conditions During the trial observations
Of the steam pressure position OF throt-
tie and revolutions per minute VIII pe
taken often enough to get fair average
After the trial. one Of each group or SIM
uar auxiliaries will be lifted with lndl'a-
,or oa,r and diagrams taken represent
inc tho average of each auxiliary. Ihe
a,,eraga Of the two diagrams taken Tor
oacb case will be taken as the horse
meyer Of the auxiliary during the trlal'
,rho Information relative 10 the power
% tho machinery win have no bearing
,,non the official trial OF the SNIP puI
&C. only for the information OF Uhe "
,,ar,nent. The board has no control over
the machinery which will be managed Dy
Tho contractors and their men,
The steam pressure at the pollers -
ordered not 10 be more thah per CV".'
In excess Of the designed pressure "",-"
In this case will be 10 pounds. 10 III
sure an accurate knowledge OF tle SOeulh
pressure. n steam gauge Caie'u'iy
dardized at the New YORK navy yaTu "as
been consigned 10 the cohihahoait o
~ N,o-foII navy yard for use. This
o-a,,go NAV be located on one OF the DOH
e. or on the steam piping connected
-. ~ boiIer system The pressures
S ~" bv a comparison between the
,'orto,,s steam gauges on the boilers
49, Ines and receivers, and the
~ ''.oadard,zed gauge above referred to VIII
90 $3.50 50 IN making up the log Of the trial.
CORY srvcrAr r"eT7Uc7ro''.
Tho hoard has been Instructed to exer-
cleo snecial care I'm its report OF the queN-
.t,,n performance OF the mdchiheiS'
90 note all circumstances having any
No,erlaI effect upon the working OF the
! tl'a''ti -, or the development Of the
r l,orrnr such as changes in throttle or
rut-oT foam!ng Of the boilers, great var
, cut-us IN steam pressure or air pressure
a n%,IJ OF live steam to receivers
n ',,,,,. 1a the board will be permit
ga 30 take additional sets OF diagrams
tea 10 tine tine for the purpose OF accurate
a. a, a dn,ormining the power actually de-
1900, y ~e,i' Conference with the contractors
,y,n no held to make arrangements Tor
VIII iot III tbe coal used during the trial.
W a. least TO secure a reliable estimate
Of the amount Of fuel used
qu ryrcur WV sH"w.
r-non the conclusion OF the trIsl the
,oorS viii submit a report to the Depart
ment which will show; ,,
fiien' 1 ~ arsct weight Of the machinery.
, Isl, hme ne water in the boilers. and
lnon","e condensers, and the spare parts
squire seruirea BY the specifications to be placed
on board. ~ ., the equivalent
mean a. r pressure referred to the low pres
SURF r'stons, or the average revolutions