500 series kitchen cold tap, 1 of 2 Designer (Person) Rowlands, Martyn Manufacturer IMI Opella Date 1967
500 series kitchen cold tap, 2 of 2 Designer (Person) Rowlands, Martyn Manufacturer IMI Opella Date 1967
Imperial Royal digital 5-T calculator Designer (Person) Unknown Manufacturer Unknown Manufactured for Imperial Computer Company Date 1970 - 1975 (circa)