Macintosh IIsi (Spin) keyboard Designer (Person) Nuttall, Mike Biasotti, Mark Manufacturer Apple Date 1990
Addiator mechanical calculator Designer (Person) Unknown Manufacturer Kingson Date 1960 - 1979 (circa)
Petrous PRMC-1 calculator Designer (Person) Unknown Manufacturer Petrous Electronic Corp Date 1970 - 1999 (circa)
Abbey National clock radio Designer (Person) Unknown Manufacturer Unknown Manufactured for Abbey National Date 1990 - 1996 (circa)
Portadyne transistor radio Designer (Person) Hofmeister, Illes Manufacturer Dynaport Radio and Television Manufactured for Portadyne Date 1962 (probably)