Burroughs CorporationW
Burroughs Corporation
BusicomW
Busicom
ComptometerW
Comptometer
CurtaW
Curta
FacitW
Facit
Friden, Inc.W
Friden, Inc.
Marchant calculatorW
Marchant calculator
Olivetti S.p.A.W
Olivetti S.p.A.
Standard Adding Machine CompanyW
Standard Adding Machine Company
ComptometerW
Comptometer