Groma Modell T - G. F. Grosser Markersdorf-Chemnitztal Deutschland - Skrivemaskin - 1930–1940
Royal 10 - single glass panel - Skrivemaskin - 1930–1940
Addiator -Duplex - Kalkulator - 1920-1930
Everest mod. 90 - Skrivemaskin - 1940–1950
Invicta MP1 - Skrivemaskin - 1940–1950
Burroughs - Kalkulator - 1970–1980
Seidel&Naumann - Kalkulator - 1910–1920 - addisjonsmaskin
Bell Punch Company Ltd - Plus Model 506 - Kalkulator - 1950–1960
Addac - Kalkulator - 1920-1930
Corona 4 - Skrivemaskin - 1920-1930
Marcello Nizzoli - Olivetti, Studio 44 - Skrivemaskin - 1950–1960
Kalkulator - 1966 - Sirkulær logaritmisk linjal KL-1 USSR
Bell Punch Company - Kalkulator - 2020+ - Showmodel
Paul Bruning Berlijn - Resulta BS7 - Kalkulator - 1950–1960
Sténograaf Grandjean - Sténograaf modell "Silencieuse" S - Skrivemaskin - 1920-1930
Faber-Castell Castell-Addiator 67/22Rb „Disponent“ - Skyvelinjal
Facit C1-13 - Kalkulator - 1960-1970
Marcello Nizzoli - Olivetti, Lettera 32 - Skrivemaskin - 1960-1970
Stanley & Co., London - Kalkulator - 1930–1940 - En Fuller's spiral-sylindrisk slide-rule-kalkulator
Underwood Standard 5 - Skrivemaskin - 1920-1930
Mario Bellini - Olivetti, Lettera 35 - Skrivemaskin - 1970–1980
Olympia SM7 - Skrivemaskin - 1960-1970
Olympia Traveller De Luxe - Skrivemaskin - 1960-1970
Ettore Sottsass, Perry King - Olivetti, Valentine S - Skrivemaskin - 1960-1970
