CO129-579-11-1 Sino-Japanese War- seizure of unauthorized wireless transmitting apparatus 13-2-1939 - 7-5-1940 — Page 23

CO129 Colonial Office Hong Kong Records 理藩院香港檔案 All

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in Kus Iu (# formerly called thandarin) other character we be want to upuıxınt "Nozi" It is only in the beastly Shayhai dialect xome of two cognate ones down the coast that those two charactus ad have bun chosen.

The coors are interesting. They represent a faint high rigree of security. This principal security is of course their large number. Witk the very large nembe involved, it w? take a long time to collect enough material to trust any of them. The double "blue & wet code is not of higher security val

value than the rest, but it concentrates the neembus in a smaller space. That is its principal advantage, but if has the disadvantage over a number of separate books that each bust and make the next one easie

Taking the individual core books themselver they are, technicallyphus spraking, partially "hatted" based on a plain language cork in what we be in English alphabetical etorte. The are thus not of a

مه

a

her

high orde of security given a crib

a fair amount of material & some cluse, One long crib would go long way

towards busting the cys assuming the book or a good idea of it's arrangement to be in the drytherer's possession, breause it we give the numbers of a good many pages

it possible to Corate within faint small margin of error cyther

in future messages,

but a good groups

w? en

und to dral of material we be requ get the core out entirely, of "busting" cd be frustrated by a farely frequent charge of cyphus.

Qu

هند

wh Actually andypt, which will be interested in the cyther material is not W.O. but c. cc.e. As the latter send me a

Daily

essenger it might be as well, to save

23

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