[Supporting platform for 100 ton derrick] [technical drawing]
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Hierarchy 
[Supporting platform for 100 ton derrick] [technical drawing]
Hierarchical level:Accession -
Finding aid Architectural, technical - drawings: (Paper) RG11M 83403/7 (Restrictions not set) -
Record information [Supporting platform for 100 ton derrick] [technical drawing]
Date:1920-1927.Reference:RG11M 83403/7, 83403/7 CAType of material:Architectural and technical drawingsFound in:Archives / Collections and FondsItem ID number:182491Date(s):1920-1927.Place of creation:CanadaExtent:11 drawings blueprints.
10 drawings blueline prints, blackline prints.Language of material:EnglishProvenance:Additional information:General note:Most of the drawings carry the name Clyde Iron Works of Duluth, Minnesota and Lord Dry Dock Corporation.
Bottom right corner of each drawing stamped 492.Custodial history:Provenance unknown.Cartographic math data:Scales differ.Source:GovernmentFormer archival reference no.:RG11M 83403/7Other accession no.:83403/7 CA -
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