The Newmanry History

39B Page 295



39 - LANGUAGE METHODS

Circulation of material in the Testery was arranged from Room 12 with the

Cryptographers in the Testery were divided into two rooms, the so-called

The growth of the Testery and the division of work has been established in

(1) Recovery and Solution of Key from Depths.

(ii) Psi and motor setting from a de-chi by hand or with the help of Dragon.

Possible depths noticed at Knockholt were teleprinted at once, not more than

Before being issued to the Head of Room 41, the annotations "Pause", "Auto"

De-chis were passed to Room 40 when sufficient P and PSI had been obtained

De-chis worked on in Room 41 without success and any unworked setting de-

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