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Sectioned catalyst convertor matrix for car exhaust, 1982-1983
Environmental Science & Technology
Sectioned models showing aspects of the gas centrifuge developed to enrich uranium hexafluoride, 1982.
Charlotte box by Oxygenaire, London, England, 1945-1955
Obstetrics, Gynaecology & Contraception
Wooden door lock with wooden tumblers from the Faroe Islands, early 18th century
Locks & Fastenings