Saorstát Éireann envelope marked "Infra Red", containing 40 photographs (22 x 17cm) of burnt fragments of ciphers,

Saorstát Éireann envelope marked "Infra Red", containing 40 photographs (22 x 17cm) of burnt fragments of ciphers,

[undated].
Bibliographic Details
In collection: Richard J. Hayes Papers, 1902-1976.
Format: Manuscript
Language:English
Subjects:
World War, 1939-1945 > Secret service > Germany
World War, 1939-1945 > Secret service > Ireland
World War, 1939-1945 > Cryptography
Ireland > Foreign relations > Germany
Germany > Foreign relations > Ireland > 1939-1945
Notes:Physical description: 1 item (1 envelope & 40 photographs).
Arrangement:Item
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Saorstát Éireann envelope marked "Infra Red", containing 40 photographs (22 x 17cm) of burnt fragments of ciphers,

[undated].
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Bibliographic Details
In Collection: Richard J. Hayes Papers, 1902-1976.
Language:English
Extent:1 item (1 envelope & 40 photographs).
Format:Manuscript
Call Number: MS 22,981/7 (Manuscripts Reading Room)
Rights:Reproduction rights owned by the National Library of Ireland.