Collection search - Coast Defence Displacement Converter- a very early electric mechanical analogue computer
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Record information – Brief 
Coast Defence Displacement Converter- a very early electric mechanical analogue computer
Hierarchical level:Item (Accession level)Date:11 Mar. 1943Reference:Accession number: 1985-197 NPCItem no. (creator):1036-00Type of material:PhotographsFound in:Archives / Collections and FondsItem ID number:3228397Context of this record: -
Record information – Details Date(s):11 Mar. 1943Place:Ottawa, Ont.,Place of creation:No place, unknown, or undeterminedExtent:1 photograph ; 8 x 10 in.
Negative Film B/W - safety filmAdditional information:Subject heading:Source:GovernmentOther accession no.: -
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