Malmstrom's obstetrical vacuum extractor, Gothenburg, Sweden, 1979 Obstetrics, Gynaecology & Contraception 1979
Sinclair Cambridge pocket calculator, by Sinclair Radionics Limited, Cambridgeshire, England, 1973 Sinclair Cambridge pocket calculator Computing & Data Processing 1973
‘Infuza’, Unani medicine for colds and influenza, India, 1975-1980 Materia Medica & Pharmacology 1975-1980