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Patentees of Sanitas Shoes
1882 Exhibited a "bi-tricycle", a bicycle with two rear wheels, which, when the rider wishes to stop and remain seated, can be expanded by means of a lever fixed on the head of the machine. Also showed the "Merlin", a small-sized bicycle to which a new motive power is added, for which the inventors claim speed equal to the larger machine. A tricycle was also shown, to which the same power is used.