New-York tribune., 1886-04-02

ANY break In tho continuity II any series Of i've Of
thes. circles rercsrs tho observations upon the orces
msfo o sories worthless at loast In FAR the
Brooklyns esrrns oat her Dsract,ons Is concerned.
and the interrupted work must he repeated. For
practical purposes, however,. probably sets Of three
se.d bs ~ valuable sets Of hvo and would he riob
Uabo to inserruptien bS oes snow squalls, winds
And & les or BY passing yesccls getting In the way.
Under each Of t,ess conditions Of speed and helm
fous stot sets Of osservHtiop. taken ron
tho sbP upon oaeh o rse esiaoshea stations on this
tshboflng Islands, and set roal anchored boat
within she doscriscd ,he ship hoatng w!ia
the the the,e bs stroa2 udaNsy taking tho sh y
In nva.thesa An object and measuring The angle Of
elc~ alton tsad OF rho sxipns Each makes
all hs Jbsrfy she same objective poLk all
gaking tLe9 simultaneously at given signal II
Intervals ef hlety .etoDdS 70 that a, the ship movet
H. Ter ,,rce various sugles formed With the estao
nst,d station snd nxed tine give thn data !o5
calculating she sbp- exact position at sos instant o,
each and since at ho vsr'oos sp'r'd rate
nnf bella angles the ship requires from Ave tr tea
cssapi-ts cirrlc. ten 'c twenty oeHerva'An
tatan ny eaca obsorvef upon slch Circle giving
aA.ay pssnts Ia tia arolo sailed
Ihf- compicrod tho entire fofz, with both staroo:
and port alins ~ vsrov~ T,sles and ssts sis "srt
nhica,ed SNs1ns powers or speed rates is repent
his Tina as ohsorvs<r sfath'nad at "Stah'- 'd
points on shore and In the anchored boat al Nd lna
ther observations upon the InanmaSt OK tho snip ths
shore observers using the azauth angie az oeIofe anu
,uaomest6ead Two other sets OF ooservatons are
made simultaneously with the before named wltn .ne M
ulaDetae aud Irotraotor SET from the foreoasue
sma one se, from the oop giving addition to tbs
circle described by the mainmss those Describe W S g
and stern respectively which, OWING W suc urn
a7Brsidos tnoss approximately exact AMI strictly
rcientlac observatlons somr $500 In all whose sixhs
errors must check and each other less exact
Measurements made With the patent loS Win olFs
or bupgs thrown overheard at Like half minute interva
nnd .so With observapns upon tho revolutions Of the
tirs engine; bus by neither OF these latter s
strcty accurate results obtained, nor uoes o.nor
tAem indicate tho pca character " the circuit mao
ss affected by the wind and tide apd therefore '"es'
10 what purpose is all this expenditure OF tms
suerty aud Ooney r. asks the taxpsylns CIVILIAN upon
learning taat great shps Of war, pultS e1IPpou s
supplied with coal an& provisons, aud ohioerad anu
Iuanued at Governments expense are ehxaseu ID 'u4
work . .....
Ths whole n after Of tactical diameter s compare
tive novelty Tho service, the great pava oat s o ,ho
world having fought without any knowoase " 'uo
suhiect except "a ssrt OF on sense guesswork Dy
commanding ofieer At Ae elect OF tho nsm oton
his ship various speed rAtes ahu ion ;,J
only vithn few that 81 net WORK VI th Ahu
s 1 msny sifcds as Sy the Brooklyn reCsnt The
t.. effect has that whenever anything IKE noe
tactics has bcem attempted the aSehps s,au u,H ~
nne satisfactorily aud In more o. inss oon,siou ~
Admiral commanding squadron. at attenntmS w w
mgn,ouvre mis- ret sailing north IN sns%S % tst in
length. ct tho bead hn signals tho order. nNaa "s.
Every ship in the % acs St oS SS' on sunSost
raich brings I'D In. rear ot the ltne aud wich NJ ony
l5o fsos in length trayer,ee her nae.y .nly 500
feat advance or nortLdng, and stiil iess
casting rhe LeviaihAI requires y tpronmeo
greater advance and trassfer 10 u vs. WIN 10" a.
vss.. Int II the es5 S.t.nos 70
coma. 70 pas. that by the time tho squadron nAs %
tts right face rnoyenoht inc ihe' -,
north and south intended northeast ana sou.h
az approximately so, and the poor h...e ,n ha an
Target orders and the alert indeed or sne "i 70 ~
i.oiss q. N be Exceptionally exposed 10 ,ns snoy
and by tho tns the same nAhouvrs hAs 'n', ct -,
ssa rsv s,ed svo mos shs Is le AIhoS. ou ~ :.
-xnaI aistaneu 1t may be. su os-y prey 70 :n{ W.
80 too OF an tsot,cal evoiutions Wiihout ''s A IT,.
.d.. oosfusioa sad depor2 r2fston msst enene. '
vital rnp,rtanns Of exact kDowiedge on .he 80
diaInetsr and sther mSnndvr1nx qansses, , ~ .-.n y,
,naend.a 70 be used IL u eourse obvious eVen "
the noa ma usscal mind 40. co tho van1 Ana my ~
t.ncr M .nch 40 vsdxs In zach shgaEshc"t -
s.,v.ca TIE KsarsATgo aud tho Alabama dhrihs INC
war whsro cir,ic safns wss yfvce"oa oIIov % 'hsss
epur, eli gagsnsenS 40 manifest ", couI c,.sd
sIsrr,me.ts arc asssi.-sd DO made Win sn2 nsse
10 - st.~l. ssssv .sd common ruddSs ths >nesy "
;o s,avs and bsiaassd rodder not bcing "
~ sennrul sssssusnns OF prncPl-e. Ahhousn e> ~'