Virotype – Index Typewriter
France
1917
Sumlock – Key-driven Mechanical Calculator
England
1960
Monroe L160-X – Mechanical Calculator
USA
1948
Olympia SM2 – Portable Typewriter
Wilhelmshaven, West Germany
1955
Optima P1 – Portable Typewriter
Erfurt, East Germany (GDR)
1958
Olympia SM8 – Armenian Portable Typewriter
Wilhelmshaven, West Germany
1966
Hermes Baby – Portable Typewriter
Yverdon, Switzerland
1955
Hermes Baby – Portable Typewriter (Cyrillic Keyboard)
Yverdon, Switzerland
1960
Seidel & Naumann Erika M – Portable Typewriter
Dresden, Germany
1938
Optima Bambino – Children’s Index Typewriter
Erfurt, East Germany
1955
Remington Deluxe Model 5 Typewriter
1946
Optima Elite 3 – Portable Typewriter
Erfurt, East Germany
1958