, I 

--r ~,l~~'. ~.1-~. ~· .r~~~-.----;----"'~ -~-....... --.._,,___,._,, ... ~~......._......,......._ __ _... ___ _ 

,\1 ·. . i ~'>•' ' " ~ " 

I 

) 

REF ID:A414894b 

"' ,' t 

.. :?r.ellmi'nary< ·1:ustruct·f'om ' ' \ ( .- I' '"> f ,, I '< - ~ < 

'·i •. Scee. that pap~~ is 1,n printer a:iid tape in keybe~4 

per:f~!f.~tol"' .,a~ rs~him psrfe;r:ater. ' ' 

I 

~ .. 

'; 

2. ; ' ' ! , 'I ' ' ' 

Obs.e~e ··tixr~ a~· wrμ.'be~ .. ~'tranwt1 ~nd. see. that they ar~ properly tt•t .. .' . . · : · . - ' ~ r' ' ' ' ' 

~ennect,..:set ·t.o ·i1m b1 .throwing 111LIW~TES!" key 

'

1

to poaition :mr1ke4. 'nt-1·•; ... · .cwJ:..:tNE·TEST? key 

·en emergency machine 'l\JhOu.14 be. left in poSi·tien . ~~·4: ~OFFw o,), · . 

. Ba.ndli!Jt ;Sh~rt .·0ut;o1·m Messyes ''' )' ' '' < ~ ' ' ' - : .. \ ~ i ,, I" ' ~ ~ J ' - .( ' : " " 

"'' .''::i!r~$e,age tape· ~~:p. ::bl\lil recei-W:&d. fr()m eipher bueau 11!1 a.n 

e~e~·~p@: ·.~n t~~·· ou:ts.1.de ~t :.w~io~ ~ill ·)e ~ittis~ t.i+e de~timtion . ' ' . ... ' ~ ' . ' . 

o~. {~ ·~~·~~e~ :.j~rf~~m.tlle. f~lle~i~ eperat1.om1: • ; ' ' ',, l ,' iJ, ' , ~ ' ' , ~ > 

:;).~ :. 

1

Jlem0'Ve 17.$$Sage tape .from envelope. , . · : ' ' • I ' 1 t 

,1 ' ' 

, I, 

: . '~o: S.t~p .messag' ~e::ir~ai mm.ber ~n em.elope· with · wmb~r e.:tamp.. · ' ' 

··.~!~:., · ·Pel'for·a'te "'a' p1l~&in~~.1~( tEl.pe. ·i ra .tn.e ·f:oll.ow*:ng o:rd.er·: 

,. \ ~ ~'i,: ~ ' ~. "' ' .. * '' ' '\ .... ~ • ... • ~· t ti - •• ''t 'f • -

. ' 

' 

. •' ... '', 

,, 

' 

•, ' 

a'o Tbe ·•s~~e .eeri,al mm,be:r · 

bo , S~Ctl' 

~· t ·~h~ l~tter indi:cating,>1;,M ~rig~l1&ting; · pf~ice · · ' • : ' ~ 'j' ' ' 

~. 'flw io&me 'of the.'<lestfmtJ.oa :off1C$ 

( syell$d ~u.t~)" ' : ·.·""' · . 

'' 

Efo ·The phrase··~' CIPHER. FOLLOWS. ' . ' ' .. ( . ;,~ 

t. Cil\U':r;iage:: ret~ n. 

19 line feed$. 

I ', -

@'pp roved for Release by NSA on 11-19-2014 pursuantto E .0. 1352\3 

\ 

I 
/ 

0 RE~ ... ID :A414894~'! 

'• < ' •' 

.·, " <(/ 

' ' 

.For ~ie,a ~r.e~ble tape might read as follows: 

46. CJ DW YORK CIPKER FOL.LGWS (~a;rria.ge reitu;n, 10 line feeds) 

Gum the ~Ssf?.Se tape to tlllis .p;reambl~ with. 

,the 11~ feeds at the 'beginni.ng of thG 

li'l$SBii.gQ tape OV~l'la.ppi ng. ·thozs. g;i,t the em 

9t · t.~ preaim.b~e. ta.J;la... .Pr.e~s. tl'le · t~p·e toge the~ carefully so that tbG feed hol$s and 

s.dges of tape~, will., .~~eh ev e·nly.. . . 

I,nsert t~ e.ombine4. t~p~ im ·the· .. transmttt~~ am ·tra.nemit. in .tbs \Ull~ual way" . ;. : . " ... ' . 6. Replace .the ee~in$l4 ·ia:pe in :the.. EHil\TJtl:ope. anli 

'J,leld until. r11;t~$i:pt of nwa1sa1,ge 1.s a.cknowled.ged .. 

'' 0 Note:. When stWt:t~stop ·printer 'sets ~e 1.u1ed t.he 

' . 

pr,eambl~ may b~ transmitted· d1re~tly on 

the keyboard.· I.n this ·ea~.e. the cam s·rr:ttoh ~1il first be turned tor direct key~e&Jld 

oiae~a.t1on and t.b.~ message ·tape· ·i:es.ert.ed in 

the tape transmitter., A pr$a.mbl.e tUm:llar 

to :that des·cri'bed. ·~bwe shpuld .. then be ' ' 

tr.ammittecl on tlie keybo11Zd. Immediately .. ~~n,- the .10~-11.m .. feed. s1gna.J..s ~ve_. be~n 

~ia•m#. ~ t.ed ~ n the lqeybe~i the ca.E switoh , ., .. , .fii!h~ul~: be tar:ne<it:.'~o;" tape· ~per.at1oR ·r1hi~h 

will ~di.a.~el7 eta.rt the message tape. ·:1;· .,. . . ' ' . ' . . . 

Hanil~M--_jkll.m Outfoipg ~ssyes 

· ~.: i:jl&l?.· ~($~_mgeil _ a~e long_. e.~U;gh ti>- -~~~~r. m.pre than OD$ 

, .,b.titlt w~:D:;-~~ei.p~:fe~,. · -~h.e:· .. ~1phe'.? ~p~a.,~_or. ~~i.1. ~~~forate a suec~s~t~n ot qarr~~e return ti!.Xl4 l'-m :feed. !3.iglfll$.l~ .. a.t the em of ' ' 

ieaeh !f>~e.t.. ·I:~ ~ii~~ ·e~tt\e~ it w~.~l .. be ~Q.~s~mri: t~. send .. a ~reaml>le 

f.o~ .ltJaah. shee~ ot the m®EUl$$.S•· 

:&a.mlli?S :tnoem1$ MesifMites" 

' " '' ~. ' , t... . ~ .~' . , 'c .,~ • ' 

. O~ re!le1ving the .Phras.e ~CIPHER FOLLOWS" the reeeiviil'.15 

pperat.Olf s~ou.ld. perform the following. eperat1om: 

J;. '!;brew key on f~ont e<igQ _of shelf' to 

pes1t1en marked ~T.A?E.~ !~is eperati9n mu$t be :perf'.or•cil 'fl1hile t.he line 

.f:eeet 

-' '_ signal.ELfoll01(J.i~ ' -- 1' ' ' _, , ' f ·~ 

the wer~.~-

0 -
'•,, 

' ' 

/ ,.., ' 

' . '~ ' 

- '~ 

-\ :·· 

GSV/EMB 

. . ' ~ ;"" , . . , 

u REF ID:A4148942D 

' I " 

·· ·:·•·cxPmm FoLto:Wi" d:e· o·om· 1·n .. " (.Tldi·a· :aw ts · 0-zt tb!a:·: p~i nt;: am. ·st'ar~·s· the:'•o-~lie ·pa~t&rator:) 

. " 

" 

a· •. ·Wat~h" tm ~chine pe~i·6'.rat.or· .. - Wheri' 

a sueell!l~sion ot. cm.rr_1~g~ ~,~tiμ:~ eig~ . · · · · ·-nals are perfor).a.ted., iJJ.low· tae· pei'fora- · "tor ::te :t'Un"Uft~il at'·,l~a.s~.·'three ca:zir:Jzag$ 

r·stur17 sig~,,~.-bm'e ·~ir,a.nced p~t. :tm.:· · .. · t;~u.Ji:rlg edgce ';<fill ~~ ~c:.hi,'~··_p·0rfor~~ot ~ : . >thin t·m--f)\v tm· key "on: tbe ·rrQ_nt e~gef of 

: . ·tm sh~lf' ·to" "posi ti'on ~ked· ·wp'.RI'ft'W ... · ·' .. (~h).s. sto_ps :machine perf9ra,tor a~ .. st.arts · : · 'pt1n,ter1 ... ~: · ·: • • ·~. ": · ·.. • 

r... . . 

·.A.~: .. 1£.e¥ 'of/f tape·, foli~~i:t'" i·ooeely ·

1

and ·pia:c@· . " ·. ·1n a.n· enyelope w~ ~~. t.~. pJeal,llbl~ to~ ae ... ~iveey to ~ipher bureaw .. , · · 

,, 

'' ,.. ' • ' I - ,., ~ '' 

, ,1