Pink and green propelling pencil Designer (Person) Unknown Manufacturer Unknown Date 1920 - 1929 (circa)
Brown and pink propelling pencil Designer (Person) Unknown Manufacturer Unknown Date 1920 - 1929 (circa)
Pink Burnham propelling pencil Designer (Person) Unknown Manufacturer Unknown Date 1920 - 1929 (circa)
Conway Stewart scribe propelling pencil Designer (Person) Unknown Manufacturer Conway Stewart Date 1920 - 1929 (circa)
Spirax-Sarco propelling pencil Designer (Person) Unknown Manufacturer Unknown Date 1920 - 1929 (circa)
Citizen FC-110 calculator Designer (Person) Unknown Manufacturer Citizen Systems Date 1980 - 1989 (circa)
NatWest The Piggy Bank calculator Designer (Person) Unknown Manufacturer Unknown Manufactured for National Westminster Bank Date 1980 - 1988
Black calculator with blue and pink buttons Designer (Person) Unknown Manufacturer Unknown Date 1980 - 1989