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On ultra active service : the story of Australia's signals intelligence operations during World War II / by Geoffrey St. Vincent Ballard.

On ultra active service : the story of Australia's signals intelligence operations during World War II / by Geoffrey St. Vincent Ballard.
Catalogue Information
Field name Details
ISBN 0867862742
Author Ballard, Geoffrey St. Vincent, 1915-
Title On ultra active service : the story of Australia's signals intelligence operations during World War II / by Geoffrey St. Vincent Ballard.
Publisher and/or associated date/s Richmond, Vic. : Spectrum, 1991.
Description 312 p., [83] p. of plates, [60] p. : ill. (some col.), facsims., maps, ports. ; 30 cm.
Note Maps on lining papers.
Includes index.
'ULTRA' was the Top Secret code-word for intelligence derived from enemy high grade cyphers -- T.p.
Subjects Ballard, Geoffrey St. Vincent
Australia. -- Australian Army -- Biography
World War, 1939-1945 -- Electronic intelligence -- Australia
World War, 1939-1945 -- Cryptography
World War, 1939-1945 -- Personal narratives, Australian.
Intelligence officers -- Australia -- Biography.
Military intelligence -- Australia
Call number 940.548694 BAL
Catalogue Information 100064050 Beginning of record . Catalogue Information 100064050 Top of page .
Item Information
Barcode Shelf Location Collection Volume Ref. Status Due Date
A00849196 940.548694 BAL
General Collection   . Available to Museum Staff .  
. Catalogue Record 100064050 ItemInfo Beginning of record . Catalogue Record 100064050 ItemInfo Top of page .