• 

Dear Bill 

T'if'48RDR&l4 e 

COP! 

B0Dr. BAU& AU LAC ZUIICI 

MN••• Tel•&r·• Baurlao • !elepbom1 (0$1.) 23 16 SO 

PRpr. H. lnoh\•a Ba. 

EO 3.,. ~( h) ( 2 ) 

FL 86-36/50 USC 3605 

Saw J!!lizabeth tor • few JIOMllt• todq. Shtt loot• manelou • 

.oo.rr 

.Alao saw Boria. Rial I has negotiated riih .... f -------------

.__~~~~~~~~~~~~~..,..._~~~~~~~~~--~laimad 

an 1.nftntion which he had vorlmd on 19ars ap1 but held out on. He slgmd 1111 

agx 1m1111 t; 11.Yiac Rapl.1n all toreip rJ.pta. It wae to coat. Hagelin 110,000. 

Then Hacelia diaccwend that the t1r1t patent vas 1111 I• Hapli!l 

has no\ 79t. oloH4 the cleal. The dnice t.he7 ahovecl loob like a -11 alana 

cl•• J)!l_the face an t1ID c:l.l'cl•• tor alphabets, each vi.th 26 equal diY.\.aiane. ,<,~o.t~ 

t-\S)"_"'~,\ \ lit.her alphabet can be Ulled on the clear text, and the other 

~~~, an U.. "1]1118r. 1be imlar4• of the clock are a group ot JdD 

tllleel•• b8tag a .aparate and dU'terent number or teetb on their irmer surface. 

A ~ llh..i.r bas 29, fl, md 2S teeth. The rear pin a..i JK>Yea vhm the 

out.er al.pbabet. is tlll"llld. It•• gur JDCN•a tw other geara 1'hioh act on the 

other I wheel.a, but. each aa a dittennt rat.to. IUh pin wheel has notahea in 

t.he o'Ger 9Clp irrecuJ.arlr plaoc~rk• lilat a ..re tUJlbler. Whan eaeb 

1lb-1 hu a notch in adjaomt. position to a notch in t.he ot.ber two, a •• talla 

into tile notch open1n111 IDll \he tree tuming ot the outer alphabet. vheel stopa, 

ao you l'8ed ott the conuponding la t.ter (to the Olltt JOU are 01Jlhar1111) on Ule 

other alphabet, and that 1• ;rour o;rpher. Thm J91l Pft•• the •st.• at the clock, 

t.t'8 oa 1• released and JOU can turn until another •t ot notches co• •Jaomt. 

Hqelin aqs the l llheelar ie not too hot, but. that 111.th six vh-1.a it baa !!!I!! 

HAl'iV• It. i• cheap 'ID •lea, and with A plaat.10 avtaoe the alphabeu can be 

Declassified and approved for release by NSA on 11-13-2014 pursuant to E .0. 1352a 
· ... 

11J'1t.'9n on in pencil md rm.bed out at. vill. lt also ha• the poeld.bil1'7 ot 

'Ml.DI hootld to a •tor, for apeed. It•s relative slanen is ita oA1J' clnwMak, Haplin eqa. 

Th• •- aroup told Bagel.in or an al.eotric 111&chine on a principle -.bod7-

inl the aboft but a lot more. I think thia 1• the m.d:dne 70ur bo7a •••· fh"7 

,___ ____ ___.l111t. ottered to incl ud• 11Drld right. I I to thi• also, 

term mddltit.•(al.) llSOOJU plua l°' ro;v&Lv. Then tbe7 INd.4-J.T withdrew it, 

I 1u... tbati tid.• SA 11hm w began to talk tbou.11141 mil not b.-1nd•. M1' 

peu 111 th.at it w lq ott mi 111.Uidnv all int.ere1t, it will tall in Haa.u.n• • 

lap. 

(1) Are tbe above the at.tr• _I ___ I group,, -.nd if no~ Who el•• ta 

·Eo 3 . 3 ( h) ( 2 ) 

in'f01Te4? PL 86"36/ 50 USC 3605 

(I) Do yovr peoPl• ( l 

the abcnw INl&I» haft told Hagelln they intend to go baek into th• g- tor 

...__ __________ I You will thareton pt. no!!iDI oat ot tM•, mept 

ae 7ou can •t. 1 t an)'ft1' .troa I .... ____ __, OGA 

Have a lot ot dope tor JQU, but it will hold. 

Beat, 

can b1l)' a J 11heel.• olook denoe desari.bed. a'bcw• tor 7SO sw. tr. 

--------- - - -
.. _ .. MEMO ROUTING SLIPjF ~~g~O~LS. DISAPPROVALS, 

9C"NCURRENCES, OR SIMILAR ACTIONS 

1 NAME OR TITLE INITIALS CIRCULATE 

Col. Sears ORGANIZATION AND LOCATION DATE COORDINATION 

2 FILE 

Dr. Kul.lback 

INFORMATION 

I 

3 NECESS,,RY 

Capt. Harper ACTION 

NOTE "ND RETURN 

4 SEE ME 

SIGNATURE 

REM,,RKS 

(Carbon copies sent to 02, 03 & 04 for info:nnation - letter from S. Hedden to Mr. Friedman, dtd 26 May. 

FROM NAME OR TITLE 

ORGANIZATION AND LOCATION WILLIAM '· Fii11'£""DlllJ;.\lt 

OONSULTAN'i 

DD I F

FOERBM

50 

9 5 Replaces DA AGO Form 8115, l Apr 48, iiud AJ!'HQ Form 12, 10 Nov 47, which may be used. 

' 

DATE 

2 June 52 TELEPHONE