Collection search - Signal service - working on notes on, German lamp apparatus, telephones indiscreet use of, listening sets reports on
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Record information – Brief 
Signal service - working on notes on, German lamp apparatus, telephones indiscreet use of, listening sets reports on
Hierarchical level:FileDate:1915/11/02-1917/07/21Reference:RG 9 III-C-3, Volume number: 4166, File number: Folder 19, file 6, File part: 19.6File no. (creator):Folder 19, file 6Type of material:Textual materialFound in:Archives / Collections and FondsItem ID number:4288521Context of this record: -
Record information – Details Date(s):1915/11/02-1917/07/21Place of creation:No place, unknown, or undeterminedLanguage of material:EnglishFinding aid no.:Source:GovernmentFormer archival reference no.: -
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