Velotype
Velotype is the trademark for a type of keyboard for typing text known as a syllabic chord keyboard, an invention of the Dutchmen Nico Berkelmans and Marius den Outer. == History == Marius den Outer invented the Tachotype in 1933.
Velotype is the trademark for a type of keyboard for typing text known as a syllabic chord keyboard, an invention of the Dutchmen Nico Berkelmans and Marius den Outer. == History == Marius den Outer invented the Tachotype in 1933.
Velotype is the trademark for a type of keyboard for typing text known as a syllabic chord keyboard, an invention of the Dutchmen Nico Berkelmans and Marius den Outer. == History == Marius den Outer invented the Tachotype in 1933.
Source: Wikipedia "Velotype" · CC BY-SA 4.0
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