Collection search - W.A. Steel and A.G.L. McNaughton, Patent description Radio Direction Indicating Systems
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Record information – Brief 
W.A. Steel and A.G.L. McNaughton, Patent description Radio Direction Indicating Systems
Hierarchical level:FileDate:30 June 1925Reference:MG30-B157, Volume number: 11Type of material:Textual materialFound in:Archives / Collections and FondsItem ID number:4958243Context of this record: -
Record information – Details Date(s):30 June 1925Place of creation:CanadaLanguage of material:EnglishFinding aid no.:Source:PrivateFormer archival reference no.: -
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