Collection search - [Sikorsky S-51 helicopter making first helicopter airmail flight in Canada, Ottawa, Ont., 1 November 1946.]
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Record information – Brief 
[Sikorsky S-51 helicopter making first helicopter airmail flight in Canada, Ottawa, Ont., 1 November 1946.]
Hierarchical level:ItemReference:Box number: 3199Type of material:PhotographsFound in:Archives / Collections and FondsItem ID number:3390960Context of this record: -
Record information – Details Place of creation:No place, unknown, or undeterminedExtent:1 photographLanguage of material:no languageAdditional information:Subject heading:Source:GovernmentOther accession no.: -
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![[Sikorsky S-51 helicopter making first helicopter airmail flight in Canada, Ottawa, Ont., 1 November 1946.]](/images/folder-80.png){kind=small}