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Tiil• ln•en\loa relate• to Ol'Jptognphla deTleea u4 ma fol' .,, 

' l\a ob3eot u.e pl'o"lta1on ot • baui4-opera1.94 tenae •pa1tl8 et attol'd:l .. 

a rela\1wl1 high depie• ot aoouttr wl\hou' inwl'flaa the uae ot a_. 

pllea\e4 aeohaas .... 

J.nothor objea\ ia 1io proTld• a tle'f'lae uaet\ll lA erntoenJh11 

aDI 017Pt•a11Ua 1awettpUou nqail'lJll tile 11• ot •l141q alpllalteta. 

The ln~~ntlon 1a deacribed with rete:ronoe to the eoaoapa.DJl•a 

41'aW11gl 1 1A WldalU• ~ 

11th l ls a perapeotiw eho.S.ng oae tol'll or -11o4111at ot 

\he iawa,loa: 

watloa1 

,, 

Ir 

.., I 

Jlfh 8 ta a oroao-aeoUon tf!tan on the l1ne S-S Gt 111• 81 

. I'S.a. 3• 1• e ta'apaen1 ot the 88llltt aeet1on o" en ealerae4- aeale 

• 

•bowl•& tbe 't-oip tor \lie gulc'le rule 1n opern '1 w poe1 tloaa 

Jig. 4' 1• e \op Tl•• ot tu rora ot lnvenUoa ot 11.a. 1 am ... ., 

1118 tbe cu14• ~o 1• ahlt••I poaltioa; 

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

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REF ID:A67554 

1lererrtn1t to ll'lf?• l, 1n thln -.mbodil'l('nt the de"Y!oe aomprleea 

a b••• 1, on which ftre horisontRlly raatane4 a eerie• ot 0¥1ta4rloa1 

l'04e 1, to1"11llll a ee\ ot ohunel •7• 81 into wlllah obftl"aa\fll' 'belll'lDS 

a'b1.p1 4, •1 be lneerte4 anl'l •lld tl'Ol!l le ,..t to rtaht OI' 'floe wr•• 

In the apealtlo embodlaent 41eoloeed hr.roln the d~vJeP cOMpriuee twenty.. 

rl"f• such at>annal waya, but tbfo device 1• by no meoa l1mite4 to tbla 

a'lllber. The llUllber ahoam in this eabodlaen\ la merely a oonw.nleat 

lllabel'1 ut it 13R1 be lnoret\H4 or doareeaed wlthln aertain 11a1ta 

ln other emboatA~n\a w1tboat .aeter1All.y depPrt111€ rro~ the sp1r1t ot 

al14e 61 oan be 11114 to '''fl 1ott or r1 ,v'1t on. ,. l"'tflt11nl' c;nl4e sU.4• ral1 

f. ~ad btua O a"t"- 01 ••rvft "'• atopa tlAnb\:st wh1oh the tta41ng eu14e D 

llG1 \le 'bro'll&h' at the encl ot 1 '• 1.raTel to \he l9f\ or rich'• To \be 

laaok or the be•• 1 la raatene4 a h1np4 eupport 10, whloh oan be pu1i.4 

oat to empport the 4nlo• ln a elanU.ng poattton as 1t reeta upon a ta'ltl9- 1 

leak, or ot!LeJ.P plane e.irfbce. or 1 tr ti1a opentor pruf'ora to lq the \ 

4e'd ta flat upon the tnble, the rubber teet 111 "' tile tour aornere or 

th• 'b0Uo11 ot baae l wUl aupport t ·e dev1eo nnc1 kea:p 1'\ tron alldl.ng 

ebout on th~ tnbl•• 

ahal'a.O\eit atrlpa <& of paper or ot.11.er 11.11 tebl• IBl!lter1el1 lloreia.ntter oall.e4 

alpMlae\ strlpe, u.pon •hiah apperr 11>equeaeoo of lf'ttrra of the ulpbabe,, 

•eob eeq,u•noe belnc rep81111t~4 on t••a strlg1 an4 the leUera belna etuJ.-

41atan1i trom ou anott.or tbrouuhout. ,.,be purpoee or \he duplloetloa 

of ••t••• wlll &p'P•ld' 1reaentlJ. Tbeo 1euei•11 on. '\l1• e.l'pbebet atrt,. 

mft1 be 1n no1'11181 order or ln 41aarrl.Ulle4 or4er1 lt the latter, the 
REF ID:A67554 

ftrioua alphobo'• •1 or •1 not be 41tter•'• A••llml111, boweTer, 

61~eren\ elphftbeta are belns used, eacb st.rip beare en 1Gen\1f)'lna 

•l'k auab aa n nwabel" 14, ao \hat the alpbabe' a\rlpa •1 be ln•rtel 

into \u ehaanel ••1• I aooor41n& to acme preagreect ker. Joi' •xm.»1•, 

in ftg. l le sbown n a11t ot twentr-t1'¥e otaenut 'W8J8 into which twentJ'-

tlw different alpbabet atr1pa 4 hnw been tneertea aooor«tng to the 

following lr•l"• natltng from thn top eownwer4: 

It aumthd embod.1•11\ or tbe deTtoe ahoa.14 lmolude mere than \wentJ"'"fl,. 

eunael waya, acldl tloa.al alpbebe t atrtpa •r be tnaerte4, aaoor4b& to 

a longer kq. 

Ha.Saa la••l'te4 \he alp!labet a•rtpa 1ato 'h.e ah~nnel wqe ta tar 

or4e~, tb• 4•Tice 1a N>W rea4r tor use either to onalplutr a plata lanauaae 

•••P or to 4eal:phe:r a orypt.ogna whioh haa bean anctphenc1 'b7 aeana et 

the clence, elpllftbeta, 11114 kGJ •ho• in Jig. 1. Suppo• thle pla1a-'9at 

•••aa• lo to be eno1pbe"41 

AOOO~DIJ:') Til AN 'JPFIC!t.L 'RIT"OPT FROM MIL?"l'iRY AUTHORI't'TIS ; • • 

!Wflnc the ree4tnc cult1• 6 to the la ft, aid 1-rtnctac '' •111lut 

the left en.d bar e, \hft open tor proceed• to altfPI,, ln 8 001111111 tme4tatell' 

to 'h• right ot the ree4lnc ,ut4e, tha ttret twenty-tl w letter• ot tlle 

....... rua 1• ••' oonTeatent'.17 clone -~· pleo1na the eraeer ea4 ot e 

pene!l upon the eueoaaaSYtt 4ealre4 lett•~• aa to\1114 oa the euaoeaat'Y9 

al.JM'"-' atri»• 6 t1"0a the top do•nwerde• end pulling OJ' puht.a,g the 

•l»bat.ei etrlpa la tbeir c°l'lannel wara toward. the necUnc gul4e 110 that 

• 
REF ID:A67554 

eaah a\z.ip stopa wlth 1ih• pl'Opel' letter jut to tbe :rl1ht of the 

l'lg1't.-ball4 •Ga• ot 'be rea41n1 aul4• &. 'llbea \!18 alpba'bet avlpa •N 

Ming allftll•4 oa tbe lati-hea4 •l'1e of itie deTlce, ea la \he aboft proae4Ul'e1 'the OJel'tttor aonttnea h1• aeeroh tar lattera to the left-MDI 

lhen oll t~•ent)"-fivo 111lpbabet a1.r1ps hl'll'R 'been. alillUMI M 

lD41aR ted, tb"l'e 111 11111oi "sel" a mul tlplloi 't:;- ot' column.a of 1•''-'•• to 

001-1 ot li,t"8ra 1 e:ac•p' one, 91•e aolwma of o1phe:r le\1ien1 eaoh 

aolwaa repreeenttac • olpbel' equlvelent of the pl.ala-tea' 001-. 'ftl8 

•la1l• ezaep'Uon ie 'be aolman wh\ab t.a 'be \wen,JWtltth NmO"ftl4 ~ 

t.h• plain-text oolumn ••t up by the opel'ntor, end le •r•~ a repett tloa 

or 'h•t pletn-w:rt oolmn. 0• of the.. alplllzi oo118D• i• •leoW at 

ru4oa end l• naol'de4 ln tl'fe-1e1itttr 81"0\ll'•• T>IP !'es'llng t.Ul4e I l• 

uetal In thl• operauoa, •tnee bf' plaetna lt elons•lcl• the 001 ..... 

lMtet, Na41DS ot 'he elpl:Mlr aoluma l• reot1U.-te4. SUppo• the' the 

nedtq &tilde I be •ftd 110 tht\\ I ta 1fa ~·t-hond fK18• ftllrne a eoluma or 

alphe:r te:rt. A• ehOwn tn Ft•·!• auoh a aolmn •OOl.4 n'-11 •• follows 

amAn :r.xn:o on'VA "'""' PVRtr.r 

ft9• l•tl~r• ere reaoJ'del nod oona'1 tute the olpbel' let'9~• tor \be 

Tba 1'9•4lns fPlld~ 5 1• no• Jl'KJV~d to t~e wxirfHl.Mt rtebt or tbe 

4nloe, u, •f"IU\ tbe rl~h\ •D4 'ber t1 t:h• 1le::itt 'weat~fl'f• J.ettera ot 

tm plal.a tat eN all-4 eca1nat U• let' edge ot the NacH.q pile De 

.&ptn " ee\ of aol.._. ot o1tber leHe:re are 41aolo•ed to 'he left of 

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REF ID:A67554 

tbe na4Sn.e f!\llGe. One or tbeee oolua• ta •leote4 •' ••114• •al 

••' or t••nv•ttn plA1n-uxt lettH·• l• neol'det. lf ,,. • .._ 

eaataS.18 aoft ti.an tl.t'1 let•re, tb• toNgola1 prooetun t.• Z'8J9•'81 

•Ul tM entire••-.. h11• tieen enolpheNI. ,...._ l• ao •Ml to 

lnlteat.e \o th.t! reo!)'lttnt at t'li,. rwasaa• 11htch col, .. t• HleeW tor 

ti. eS.Jbel' equS:'fDl••' of eeab ••' of \11e11'1-tlw plllla-\at le'tel'a1 •• 

Will IHI BOW :JNMntlJ'e 

'lo aeotpllrr the •••~· M.°ftng ''.be al,blll»eta anl 'be kq 

aeeorat.111 t.o whtc!a tlle't la.en been a:rnqe4, tile opentn attnl.r Jl'OOMlll 

•• la eaclphel'l!l!!nt 1 elt~lDR t,_, elpbabet etrtp1 ln '\l\elr obaanel •J8 

80 th11t thtt ftr11' '•ntr-r1,,. el)tllar lett•n or t)>e arnto..- ... sa 

ne eolma. RI' •hea. --1••• all t~e oth•r t·11ent,...rin eol,..• of le\ten, 

lootlaa tor one •hloll aoa•eln• !nt•lllatble text tllJ'OU8mat it• ateat 

troa iop to ba"oa• Tbllre will be one en4 oaJ.J one aueh oolunt1 Md 

ttda wlU bo the pl"ln•tat etulYAl•n' or the eolu• or clp'bd tat •t 

•P oa tu l'e..S•• !he rea4l .. plde G 1• ltaetnl in \'hl• •••h to• \Ill 

tlaS..-'-' eol\1111\, 11• 1• oan readllr be DIOT94 to •een 'h• ac••••i• I 

aol-• tl"Oll late to rlt.bt, or tio• rte.ht to lort. n. plaln•teat 

••1- 'bu• faun4 ll noortM la 1fOl'4 lenr.the ea4 the o,.l'a\ol' p....U J 

to ae• gp '1111 aest t1ren,r-rtw olpher le•wre on \be l'lpt.llQI •14• 

of•• 4nl•• Aaaln ._ look• tor • pleln-t••' eol .. and noor41 lt •1111a 

fcnln4e Ra oonHnao• tht1 pJ'Ooe•• un'11 the ••• .. • b•• 1te•• eoapleteJ.r 

4eolpeiw. 

Jn \he tol'll Of lnyeaUon ahown la Pin• 11 tbe 4e'Yloe 04111Prl•a 

a J8ll' of llf.np4 ooapoaen\a l'•'f' or •'811 bakeU.h or o\hel" -.t.\•lli 

•tel'lal •*' fo11a\t1• 011 oa• aaoth• la t• •••• ot • "°*• All MN 

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REF ID:A67554 

abowa, '"e 1roo"Yod •lS.don:• 8 Rre formed 011 t!le inn.el' t•- ot \be ••lt .......... '' 111111111, or tn tile oa• WbeN • aont••Hon p!Oluot _, 

•• ltek•llt• Ste a-4, _,be ml4ed la the m11ter111. In the •bo41111Dt 

4laelo_., tllen an a total ot \!drtr 11U.oh •11 .. 1'81•1 tit'- la IMla 

• ..,....,, 1\hoqb l\ Will 'be wa4••too4 ,., ,,. IB••tloa la aot llldtel 

' to .., panloal• lallHr. Jt will be •tel , ... , tllll 111.14•_,.. _.. 

QJeD et t!lell' oPPO•t.'9 mt• eo tba' tbe alplua'lll' atl'IJ8 .., lie Niii~ 

lunW mt tn•J.r nwnt..C •twad- tll9nfftB u ,.._, ... •UA 1ato 

llttennt poal Hona In the operatlmae at enotpherlna ftllt 4eotpllarl8C• 

.A.& 1n oil&e• f"oae ot the 1nYentlon. a 'f-Cl'lP I le att1telull '8 'be pSAe 

nle I •' Sta ua ten the J>U'PO• ot 11Mlpulat1119 the nle, u4 I• 11114-

able 1i:.. D cllfll&D8l PO havtn, the'reln UD.4ft!'I"' fll'OCY•• 11 -~ II fctlMt 

latnall.1' aloaa l '\• la.let• •dae•. Tile artP I t• prnl4el wt aa • llfl'lnlpreaaec1 8181!\Gt !3 tlft8D11D& S.ft ltottoa &'rOOft P.11 en4 htWiDI en OJPO•l'91J 

41•,..C ~ 'C4r •DPClll tn tbe opJO•l te sraow II ....... ,, tbe &dt I l• 

•lnteta.e4 wer au1te1'1e 1ll4ln« teneloa ta tbtt ctla11u•1 IO, ul • ._...,. 

the pl4e nle 5 le Ma!puletet tnuun•:n•l.J' ta :relettaa to t'9 alpballet 

•'1-Sp1 •1 an4 th• ono•tte enit or '1• l'ftl• h w411pW to eU.4• fl'fll•lJ' la 

a lataral ute:reut 00"• 11 forMI la eompaaent 'f' • Tll8 ll"lJ I I• nst4~ 

aeoun4 to 'lae 1•14• nl• I S.n tbe lllmll•I' ot • T-9e1umre alld •F '8 • 

••linal11tet tlat •he nl• attort• e poldttw ... ot •1ttalalll8 u ....... 

all.-at In •1- ftt,_Uoa or t'lae ellenate•• en •14 alJ .. Mt etrlpe 

ea4 la WJ'JlDI nl•'l•• tor errp\ogapJtle ,...,.... '!'bl• to14able tom 

or 4nle• Jll'•••'• a nuab•1' of pae,S.aal a4fta, .... , ... wbl.tb _,be 

•attoael lt• aamp11tneu en4 JO•f.a'btut.,1 al• 'IHI ro14a'ble t•'11N ,... 

Id'• a:elutcm of' tu•' •DI 411''• 

llllle la on ton ot «•Tl•• hen 41aeloH41 OJllD41'l•1 •• 

ue llHund to • 'IHI• at ftl\llal' l.nt•l"llll• tna oae _, .... to r.. "9 

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REF ID:A67554 

ahannel wera lnt.o •hloll \ha alpba'bet, •'rlpa "'" 1Aae&-te4, st ebo11lcl M 

Wl4el'atao4 'bit' en;r OU.I' aaeaa 97 ta. U1PlaJ'e4 to tom t.he obeDD1tl .. ,.. 

lor GB11Ple 1 • ••rl•• of eloqa•.C mtul etr:l.Jll kno• in the tnd.• u 

"en« Jaoltlere" , uet Ol't1nal'l1J' to bol4 nanow avlpa ot pope!' bearl .. 

._. ot Mll•'bOX owaen la aparwnt .tKHl•••, etc., •1' b.- ua94 to tona 

the obanml 0191 th-ne ael'4 holt1eiea 111ay be l'i~'•• to the b••• or 8JOt 

wel4e4 to l t • el' a'tttabe4 in aa7 o'ber ml ta'ble •uar. Or •• 4llelollll 

la ooueo,lcm •ltls n1. 21 1.h .. ohenn..,l. ••1'• lfl81 be turMI b7 lllWag 1:raofte 

ln tbe b•M 1 tiaelt, wtdoh -.y ba ao.dn ot anoldn4 bnlrt-llte, tor aemple. 

?a euah oaaa 'l'lft groovoa t-:N m">da b7 n rotating cuttor wlllah \tnl.erouta at 

the ho lllpa, fondaa a thiRnnel wny auoh ns 1s a...anly tnune t.n atta.- ... Z'lll••• 'Fipl'e f •ho• mab a ••c,1oa 111 \he fDna ot a p1Dae ot bateU.te 

o• alal.J.er .,_.tal 131 1A wb1ob. ti"Ve D'.\Oh o-,.annel wAra S baw been au'• 

GeaUone •1th equal or u.nequ1l .numbera ot cbannttl we:ra aa1 be •allr proIn rs.u.cf,Jth"n l• •bo• • aub-b•• aul'M'ble tor uae wltb. ••* 

•etloaa ot Olulllae1 W8J8• Thll•1 ID8\MG of ba'flq all t!Mo DbllllD91 np 

•D a •11111• 118••• •• t• 'b• •• ID ''•• 1, tbe nb-l»aae l• •nlr -4• 

ta 'h• tom of a flat •Ul'taoe oato •hloh aeoUoaa of' ohRnnel •r• •r '9 

poelUoae4 a.n4 '•»0n.rtlr' tt.aed., • tba't; rearran.-enta or Ma\lou .. 

'be •G• aaeoZ'lttnc to auballla17 k•7•• H•tenlna to rsa•'"'• \be •11'-1lue 

la 1• • pl•H aurraae .. hloh l• proTScle4 •Ith an uaderoul •lot 14, r. 

•nrtaa • •1t41q clamp 11, pro'fUel •ltlt • tnurlet '1Rllllt .... 11, to 

h•\ealn& the al•llJ lato poaltlon. mt4 bara 8 anl I •lewtel abow tlae 

1teM 1t~ •no:rta 19 en4 tH!leJr atop 111 aerw th• ••• purpoae •• ellllle.i, 

l•allD11'94 ... b&l'I of Pig. le 

u 8 
REF ID:A67554 

Uelag e aull-be• euah 11e tb•t eaown la r11. '• •lth •8'18nl •otloaa 

auah •• tlmt •'l&On la ''•• e, one metbod -ot openttoa ot thl• emtaolS-t 

et ttae iD'fttD.tlon ln 8M'llD ln na. D. ln thlllt fttplre thttre en tlft leettou or 1, "• n, ' 81ld 8 ch"nn.-1 .,., g1Ylq a total ot t•••'1""•,. ' 

o1mme11Ht7•• 1lrat, the •ectlona an \empo~ri11 taatenel to tlle bue SL 

.. tbe al.pllab•tlonl order or th~tr ldrnt1rrlnr. aymbola. Thon the t111tntj~ 

wra aoool'dS.ng 'o the p:re4e\ena1n•4 auaerleal ter a J:realJ nter:Nt to a-. 

be • aubat1.Uar1 or a-peeltle ka71 alao err-n§ed ror tn edwnce 'bJ' ., ... ot 

en l.ndlcftkfr ln the •••••~. •lll•h 1ro'11.4 41reot tllet the •••Hou be •• 

pla"4 oa'o '\he be• ln a a1-4 orto, 88J lo • D • A • I • C, •• •bowa ill 

rs.1. D. 1·u ••dJberaent ot a••-• woul4 \bell pnoeed .... u., •• '9ton. 

la another ••age, the lnHoe'tor tar ihe ••"'1011111 el"l'an&-•t ldp• 119 

41tfeNat1 •r om •lllna tor tu aeqaeaee of neUou D • .1 • o - 1 • 1. 

IJ'Jla•1 •Ith ftYe ... tlon• there oou14 he 180 41fftlren' el'l"ftn88111•t• of 

••'l•• a the •••• ewa '1-ua'b 011.17 one •t of •lJbab•' etltpa l• _. 

'The purpo1e of tbla ta11 or aourat, "to lno:rea• \be kefi .. 

poalltlllti•• ot Oie de-.soe, enll \o !IQert ualctU9M .. to euoeealliw 

•• ... •~ wl 'llD•t plDI to tbe tl'Oultle ot •"tba a aoaple'&e reeriaaa-at 

'rbe me:ar use a or tb.b 4avlc•• wt \b Ta:rtoble alphabttt1, la 

erntopephle 01' 017p'8na11i10 stud1•• Will be appann\ to au •tlllel la 

'De ert am.4 not!llnc turth•r neat be ••14 on 'hl• aeon m:cept. tbat tMN 

Ill• ext.stet tol' mRB'f r•I'• a ldtberto unttlfllle4 nee& to• a •Sllfle «m• 

of 'ht• type, ••l~'l• tor tbe tree~lcm of •1l4tn1 •lphabeta. 

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\ REF ID:A67554 

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0~'ft888, llOft1flCRtlone 1'.Dt\ eq,d"tfll"ll\ 8J"l'aft& ... ,. aft 008'-'" 

plate4 •l 'Jda tba eeopct or tJle lnwatlon • 4ett.nel •r tile 8Jpea1el 

•l•S.• -

10