Rockwell 24HF calculator Designer (Person) Unknown Manufacturer Rockwell International Manufactured for House of Fraser Date 1970 - 1979 (circa)
Prinztronic X15 calculator Designer (Person) Unknown Manufacturer Prinztronic Date 1970 - 1979 (circa)
SL55 automatic de luxe cassette recorder Designer (Person) Unknown Manufacturer ITT Date 1969 - 1973 (circa)
Addiator mechanical calculator Designer (Person) Unknown Manufacturer Kingson Date 1960 - 1979 (circa)
Rockwell Model 18R calculator Designer (Person) Unknown Manufacturer Rockwell International Date 1976