Memorandum of instructions for the cyphering of the preambles of XX telegrams. Supply by the Foreign Office of copies of the I.F.O.C. external 1927 to H.M's representatives at Paris, Berlin, Rome constantinople, Moscow and Cairo, to replace those inadvertently destroyed by these missions

Keywords	Home Department Berlin F.V. Wylie
Ministry/ Department/ Residency	Foreign and Political
Branch	Central Cypher Bureau
From Year / Date (YYYY-MM-DD)	1932
To Year / Date (YYYY-MM-DD)	1932
Identifier	PR_000004051775
File No./Reference No./Sheet No./Folio No.	68
Location	Repository-3
File Size	85.5 MB
Pages	50
Collection	Digitized Public Records Foreign and Political
Language	English