Perpetual calendar and desk tidy Designer (Person) Unknown Manufacturer Merriott Mouldings Date 1957 (circa)
Polo mint calculator Designer (Person) Unknown Manufacturer Marlow Manufactured for Nestle Date 1990 - 1999 (circa)
Polo shaped calculator Designer (Person) Unknown Manufacturer Marlow Manufactured for Nestle Date 1990 - 1999 (circa)
Harvard Menloy 174 calculator Designer (Person) Unknown Manufacturer Harvard International Date 2000 (circa)