Collection search - [Heliograph with mirrors and signal flags, Schools of Signalling, Barriefield, Ont., 1915.]
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Record information – Brief 
[Heliograph with mirrors and signal flags, Schools of Signalling, Barriefield, Ont., 1915.]
Hierarchical level:ItemDate:1915Reference:Box number: 3853Item no. (creator):21-5Type of material:PhotographsFound in:Archives / Collections and FondsItem ID number:3380377Context of this record: -
Record information – Details Date(s):1915Place of creation:No place, unknown, or undeterminedExtent:1 photographLanguage of material:no languageAdditional name(s):Additional information:Subject heading:Source:PrivateOther accession no.: -
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