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29tai. March 1 9 1 9 

otftce. Chief S1pl orttcer ot tbe All2W 

Colonel Gobrge Vaby•, ·Ch1oago, 111· 

Post Off ice Box Do~- 636 

Printing telegraph Oipher Message 

. . L l~ several claJS ago a mesoaae .PJ"GJldli"Gd b7 ·tl~ 01pher Mnting 

telegi-aph Station here waa eent 10u to~ 0012814ent1on ln oomeltion 

with 10ur recent olalm tbat 70\l !Ja4 'bl"Olmn the o1phar usod iii· 

connezlon with th& pnnt1q telegraph apparatu8 bf tbe trnlte4 States . Govenrnent. After the meseage bad been sent to 10'll 1 sent tqr u. 

ta:pea. rind dl~coveretl that an $nm' bad beeri made ~ the bonehea4e4Deaa of oae of the men ln tbe Olpher Office Which makes lt 

hlgbl.7 ·desirable tbat this musage be re\'al'tJe4 wf.'hout ~ attempt 

on your pa.rt, and consequent we.ate of t.lme, tii attemptitJg to ,Cl~t!iolpber 1t. 

2. I am sending you berewi th ar.mther meesap which I ~-

personal~ bad .compared ao that 1 am sat'.lsf'led -~b:;.e:rron. e~.St aild that you an ct. l1bert7 to t-egar4 lt as a message_ upon whloh 

1ou· oan reot JOlU' ·ettone w1 th a v1ew to D&klng gooa.· rou..r· et~wment that you can break our ~1ph0r~ · 

· 3. ~be matter C>t 10ur reporte4 breaJtlrJg ot· tb:le cipher 1a 

be1DB madO the aubJect Of a e~parate comrm&D1cat1on. .. · 

By direction ot the Chlef Blpl *1cer. 

J. o. MB.Ubozts.ne. 

Lieut. 0~1., SJ.gr:lal CoJ'1)8. 

Enoloawo 

@'pproved for Release bv NSA on 11-19-2014 pursuant to E .0. 1352!3 

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