Polo mint calculator Designer (Person) Unknown Manufacturer Marlow Manufactured for Nestle Date 1990 - 1999 (circa)
T1-100 11 Texas Instruments calculator Designer (Person) Unknown Manufacturer Texas Instruments Date 1982 (circa)
Polo shaped calculator Designer (Person) Unknown Manufacturer Marlow Manufactured for Nestle Date 1990 - 1999 (circa)
Solar powered calculator promoting Barclays Bank Designer (Person) Unknown Manufacturer Unknown Manufactured for Barclays Bank Date 2004 (circa)