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From Popular Science, March 1922: What Paris Has to Show Us in the Line of Speedy Cycle Cars
COMBINING lightness, speed and economy, the small car is becoming extremely popular. On this page are the latest cycle models exhibited at the recent Paris auto show.
Gyroscopic two-wheeled cycle cars ere exhibited in experimental form. The gyroscope is attached to the rear wheel, its effect augmented by a balancing force derived from the large, heavy wheels. Practical use for the model may be found on the narrow roads of the French colonies. [...]
