SL55 automatic de luxe cassette recorder Designer (Person) Unknown Manufacturer ITT Date 1969 - 1973 (circa)
Father Christmas melody calculator Designer (Person) Unknown Manufacturer Unknown Date 1980 - 1989 (circa)
Sharp Sparky SOLAR CELL WN-30 calculator Designer (Person) Unknown Manufacturer Sharp Date 1980 - 1989 (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
Nobility Model K14/350 calculator Designer (Person) Unknown Manufacturer Nobility Date 1970 - 1979 (circa)