Collection search - Drawings from John R. Hersey's Patent entitled Improvements in Furnaces [technical drawing]
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Record information – Brief Drawings from John R. Hersey's Patent entitled Improvements in Furnaces [technical drawing]
Hierarchical level:ItemDate:March 1891.Reference:R15513-45-7-E, Volume number: 118Type of material:Architectural and technical drawingsFound in:Archives / Collections and FondsItem ID number:4932167Context of this record: -
Record information – Details Date(s):March 1891.Place of creation:CanadaExtent:2 technical drawings : tissue paper ; 21 cm x 35 cm.Language of material:EnglishSource:Private -
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