Collection search - Whistle post. / Office of the Engineer of Standards
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Record information – Brief 
Whistle post. / Office of the Engineer of Standards
Hierarchical level:Item (Accession level)Date:1 Nov. 1927Reference:RG30M 120-000214-8, Accession number: 120-000214-8 CAItem no. (creator):3Type of material:Architectural and technical drawingsFound in:Archives / Collections and FondsItem ID number:2151006Context of this record: -
Record information – Details Date(s):1 Nov. 1927Place of creation:No place, unknown, or undeterminedExtent:Technical DrawingLanguage of material:UndeterminedAdditional information:Source:GovernmentFormer archival reference no.:Other accession no.: -
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![[Technical drawings of signage, a freight car, and maps of the Great Lakes-St. Lawrence Deep Waterway Project]](/images/folder-0.png){kind=small}
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