The Waterbury Democrat., 1931-07-30
NEA Service Writer

WnsbjHgioD,r-T business of Bud military codes of other nations and trying t0 make np new codes that cannot themselves be deGi- phcred seems iU resemble the cons sihnt battle of wits between pfObt, biti0B bureau chemists who try 10 put iffeWOyabIs connections Into alcohol and The bO0tIeggers who try To gel the stuT out.
 Such codes hrs changed, some times Frequently. but tbs ofyptog- tHDHofs in ibe world capitals pufs sue tbem reiHntIessly.
 Getting information about codes from government departments Is about the hardest assignment you oDD tnekje, but ii is generally cDDr neded any code nHH be broken down" if the efyptOgfaDbef has enough tine 10 work on lt.
 Major jiefber Q, YhfdIey. for uer military intelligence officer who recently wrote in "fbs AWen- obn Black Chamber" n sensational account of how our government cfypt0gfHphefs broke down codes of foreign governments during the war md up to 1923, says ths st1te department code Is vulnerable and undoubtedly is being read by other governments. He also offers the de- pBrtmsHt b system, involving uss of code machine. by which com pIets secrecy can be guaranteed for cons fidoDtini messages.
 The department doesn't seem tD be taking this very seriously. Yard ley hasn't diyuiged the Uatgre of his system beyond pointing out that the only )ndaeiphefhbIs means of communication Is one in which there are no expeditions 10 con - oe6I"
 b10Hs nL Machines
 other cooling Daghinas and de- G1djng machines tD correspond with them have been used before, The nhyy h6s fried them Dui, but won't report with what sudoess, one sinte department OnioiHI, speaking privately. scons ht ihe idea of H code machine system and demands To know what would hap pen If m urgent message were sent md our miujsief's machine broke down,
 Nevertheless, Ybrdlsy hhs direct ed attention tD couildentlni govern meni codes and ibsir widespread use, There have been some inJt comments on his "ethiGs" in telling ihe story. bui no ons has yet denied | ii and one hears iu informed uuafs i6rs that he Wbs one of the best | crypiOgraphets iD Inc business, The diplomatic and military sefs vices hhys TWO types 0f codes, n | common code designed tD sa ys
 money OF lime in cabling, teIev graphing or i1dlviDg and Il eonfs dsDtibi code for secret inessages Code messages appear in words. numerals or JuHibias of letters.
 Some codes involve 100, 900 words, The British army OnGe used one | based oH relative positions of Il
 swarm Of bees on magazine c0vp
 ar, tn wartime there's a sim pIa
 trench rode, often changed be-
 cause of ihe danger of capture, and
 q complicated code used between C. it C, and division headquarters | which is changed before every big l operation,
 Ten tn One Messags | Changing codes has often been
 used io beat he dsOtphera,s and II
 iba new code Is well constructed
 IFS usually safe, ht least for n | while, Yhrdiey says tha Japanese
 inifodu"ad different codes in | 1919 and 1920 and finally were
 using 10 codes iH single massDse. | The Hsit0hHs had a G0da on iha
 front iO which the key changed
 every day The worst daDEsr tn
 code changing is that the other feis
 low may gel hold of ibe same
 messnsa written both ih the old and Inc new code,
 l UfenkiDg down codes, tbs science
 "f ''yDioetapby, ts something Daos
 bie write books about, T0 fool the deoipbaref iba code makers resort