Typewriters is the father of computer keyboards. Here's list of some interesting typewriters.
Hammond 1, 1884
Royal Bar-Lock, 1890
Smith Premier, 1890
Caligraph №3, 1891
Cahill Electric, 1897
Japan Remington No 9, 1906
Rheinmetall Portable Ergonomic, 1935
Smith-Corona Ultrasonic I Plus, 1983
Typewriter Spacebar History
Book: The Chinese Typewriter: A History
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