The Newmanry History

Part of the General Report on Tunny (1945)

Page 276

31 - MR. NEWMAN'S SECTION

31A. Growth
31B. Staff Requirements
31C. Administration
31D. Cryptographic Staff
31E. W.R.N.S.
31F. Engineer.
31G. Education
31H. Statistics Bureau

31A GROWTH

machine methods of setting Tunny. In April, 1943 the first machines arrived, a
Robinson and a Tunny, pilot models of somewhat uncertain behaviour. Mr. Newman
formed his section with one cryptographer, two engineers and 16 Wrens. The section
was founded and lived (for the most part) in a single room. After three months two
or three messages were set each week.

with 10 Colossi, 3 Robinsons, 3 Tunnies and 20 smaller electrical machines. The
section moved into Block F in Nov. 1943, and expanded into a new and additional
Block (H) in September, 1944 in which all chi-breaking was done. In the week
ending March 31st, 358 messages were set on Chis, 151 on Motors and Psis and
23 sets of new wheels were broken.

31B STAFF REQUIREMENTS

in the following table.

		Apr.43	Sep.43	Apr.44	Sep.44	Apr.45
	(Administration	\| -	\| -	\| 1	\| 2	\| 2 ..\|
	(Cryptographers	\| 2	\| 5	\| 6	\| 20	\| 22 .\|
Engineers-	(Maintenance	\| -	\| 3	\| 9	\| 12	\| 15 .\|
	(Construction	\| -	\| 4	\| 9	\| 11	\| 13 .\|
	Wrens	\| 16	\| 16	\| 28	\| 180	\| 273 \|
	TOTAL	\| 18	\| 28	\| 93	\| 225	\| 325 \|

67 Wrens : 7 Registrars

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