Sectioned catalyst convertor matrix for car exhaust, 1982-1983 Environmental Science & Technology 1982-1983
Charlotte box by Oxygenaire, London, England, 1945-1955 Obstetrics, Gynaecology & Contraception 1945-1955
Sectioned models showing aspects of the gas centrifuge developed to enrich uranium hexafluoride, 1982. Nuclear Energy 1982
Original Morse tapes received by SS 'Great Eastern' while laying the 1865 transatlantic cable, unknown maker, British, 1865 Morse tapes sent to the 'Great Eastern', 1865. Telecommunications 1865