.. _, . REF ID:A60496 - .! T"".. .......... ........ -!. ' _., .:...:. 

" 

lanuui, It, ltl?I. 

!h\a MomriuM1Ull 1• 'for thl P'Ul'Po•e o-r reooziU.ri..c the aub .. atanoe ot a oont•reAOo ~e\weea Lleui. OoirmfUlder A.~. St"'1bl•a 

tr. ~. :i. , f\1'"1"1 oer la 0l1&.rg9 or \he aoa.e ant CJSCnal seot loa, *'"*1 

aonmuntootlOA•, ftlld rv••l~, 7••'•"""7 aftemooia. 

1.1eut. Connand.er ~mbl• oaae to •• • 11!\h Mf'onaoe to 

another Jl'lG.ttor1 bu' 1.a. il'le .aouree or our ooa'i'ena'1°"• the llll'-

Jeo' ot the R••om Jraohln• OUM q. Lieut. Coraan4or Stru.bl• 

•\atod thn1; he hod nnor ••• the ~1Y••wh"1 mo4e1 and aalte4 .._ it I oouJ.d •ho• h111 our•• I 414 ao, &Gd. ln tho aourae ot ... ox,lauatiOA the 'Pl'Oblem o-r ft1tabl1" ~f)'lac the tU.e·wheel 

mP.ohin• whloh the lfa'Q' "3epartmea.' now •• .. lJ1 order \o 1.no:renae 

tho degree of aeourlt7 of nea.agea e.a.olphnre4 bJ" 1'• aen.na, •• 

1n tro4u.oed b7 ld.eu'. Co,.... er 3tnbl •· l pl0po••4 to hlm th&'t 

1.r the .,roaeiit ar.rang&"18D' ot an WlNMOftbl• eno1i'horlag- 4eolpber1ng aonncotio.n pl.ate t.n the :rear of' '11o t1Te-1Sheel 1104•1 

wore aubutltu'ed ltJ' IUI ar.r&1a5ersent perrid.,\1na of 111.S.pplq 4l'f· 

toron1; plntca with di:t:toreat oonneot1ona ln'o poa1t;1on, t;he 

ro8l\l 1; woutd be toot new •'l'I' am. e:arl' oonneot1on• •ould be 

pooslble to eatabll•h at will, q,u.1ak17. and wl:th .no t11 tftoul.Q' •. 

I proposed tho.t tile •i>paratua be ao ohangod aa \o pemlt o:t N• 

noving the p\ate &44 allpp1~ a now -plata in.to po•lt1oa lA the 

88.l'le place 1' OOOU'Dl.ea .Qow 0.11 \he tlYo-wb.ool no4el; o• it; 110ul.4 

bo ~oaalble to ha.To a ••pa.ro.'• 11\tle box proY14e4 •l'h a aet 

o:t :t1xe4 oont.aote &Ad a. mtobaa.1.m 'tor •lipping a aw p1ato 1nto 

poal ,loa o.S wlll. callle• trom tl• •chine pro;,~l' to thl• plate- bos would be &Q eaq •tte:r. Ill AA ..ioaoua Mnll•rt a re:"lOY• 

able entJ7·•~1~ oontrol11ng plate oOlll.6 be prov14•4 %or the . present threo-wboel prlntln& 1104el whloh the !fll'VJ' "'•ilflrtMOat . ha•. 'l'he latter la oroY14eA with A J-OYolwlag 'bAee, tho pr14olpa1 :rwictlon or tvh1oh 1a to provide tor tJie oaclpher1.lln-4eo1pherlag 

.relo.tloAU.lp whloh la equiw,i.oat to tho lateral.J.r' .,_bl• l'late 

1n the rerir ot our t1ve-•eel "10del. 

I thea tul'\.her propooea. wltb roa?Cot 'to aoh a rea.OllJ' rt:• 

1110Yab1e entr.F-•x1t oonnoot1on-oontroll1ag plAto 1iJ»i• the 

elootr1oal conneot1oA arnuagenea'• on ti. pla"o oOla.14 bo •oh 

that tho ~a ln oonneot1nu fll;;'b\ be Pll\de whS.te \l1• plate i• 

ln .111,u, lJ7 plue; u.n.4 Jnok •J"ro.at:•1ea\ or :tl.oxS.b1• ooS't; oontaota 

I . 

l1\pproved for Release by NSA on 09-0t3-2013 pursuant to E. 0. 1352§ 

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.. ~ ·-· - -=.r _ .. 
REF ID:A60496 

or the 11.ke. .kic1it. Corvoonder .it:ruhle lr1d1cat;od, with rea,,oot 

to tliaee pro,o•ala. that he E.Uld hi• ory~'tonrai>h.10 at,u.t:t hn.d 

prev1ol.l•l.J' olee.rq uudo.rotood how tho aooreo7 !oo.turca could be i~roved b;r 11odlt71~: tho ao.ohino so t.hnt the oon.uectlono 

oontrol11ag t,he en.~17 n.n.C. e:x:11; points or tl~ cll)llcrtng nova.blo 

tl1•k• ooul4 be Ohrul..'?ed n.t w1ll 1 q1 .. iolcly tl.uri w itll no ,1..1 f:fioalt7. 

J.lau.t. Co•nnntt.er ~truole atn.toa tlUr.t r-'7 lnt't.er proporsc.l conocm ... 1116 a plug and Jaok ar.mngor.ien1; or !'loxlble ·oord oonte.ots hnd 

been pro?oned pr•v1ouol.J' b1' his 027,lto0ra1>hlo atntt, but that 

the 14ea hnd not beon turt.hor devclopod nt tJu-:t t tne o.n 1 t did 

.not appeo.r 8'Q.1 table tor zu..val use, Md lte other i"eat,.i.rce :ror, 

1mprov1J16 socuri ty were under oona1d.o:rot1on wS~loh &pJlOfi.rc~ to 

bo au.lta.ble. .LlO\lt. Cor'llVl.ndor '~trublo ato.1.c~ thnt my propooa.1. of o. alidins r«10YBble ple:~to wan noTol. to h11u, nne m1~ :ht be prac- . tioable tor naYal uee. 

I polnt,e4 ou.t tho adY1aab1l1t.7 of protoot1~ t.he int<:·roata 

ot t.ho !f.ovomrrioa• 111 tho rmttor, rf.ttd therefore tho subntnnoo of 

tlle oourorcnoo be.• been roduoed to writing. 

IOYJ' ne~artnont, 

Cod• an.d 11,~lRl. zeoti on, ~aahington, D.c • 

.. ... ... : 

l 'Pobl1UnJ7' 1 S P.9 • 

. The .t"oro,..ro'llld 1e a wbot0J1tiall.7 oorrcat VCirsion o'f tlle 

oonferenoe held be,weon ¥..r. Yr1&dl1ll\A n4d myself. 

. A • ...,,. "3trub le• ~.1out. Corll'W\..llf.•r• u.:;.n., otn. oer 1.o. Ohartlo, Code aad ~1gnal seo~1on. 

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