British Restaurant tokens, 3 of 3 Designer (Person) Unknown Manufacturer Unknown Manufactured for Mitcham Corporation Date 1941 (circa)
Telephone numbers book Designer (Person) Unknown Manufacturer JSNY Manufactured for Etna Products Date 1980 - 1989 (circa)
T1-100 11 Texas Instruments calculator Designer (Person) Unknown Manufacturer Texas Instruments Date 1982 (circa)
Rockwell 24HF calculator Designer (Person) Unknown Manufacturer Rockwell International Manufactured for House of Fraser Date 1970 - 1979 (circa)
Rockwell Model 18R calculator Designer (Person) Unknown Manufacturer Rockwell International Date 1976
Petrous PRMC-1 calculator Designer (Person) Unknown Manufacturer Petrous Electronic Corp Date 1970 - 1999 (circa)