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Archive Reference / Library Class No.D1851/P/7/BD20600-24363
Former ReferenceD1851/BOX/32, D1851/BOX/6/30
TitleTechnical drawings on microfiche. Numbers BD20600-BD24363
DateJul 1963-Apr 1969
DescriptionArranged in chronological and "BD" reference order. Each microfiche has outer paper packaging which records the "BD" reference, another number, descriptive title and the date.
Extent1 box
LevelFile
RepositoryDerbyshire Record Office
Archive CreatorBryan Donkin & Co. Ltd of Chesterfield, Engineers
AppraisalA microfiche of a Map of Walton estate, 1872, was transferred to the Local Studies microfiche collection as it has no obvious connection to the firm.
ArrangementItems BD600, 972-973, 975-977 relating to paper making machines were deposited separately having apparently been removed as they still have been required for "exhibitions etc."
FormatMicrofilm
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