Foto 17
On the left is a dinasphere, an electric unicycle. 1932. It could reach speeds of up to 40 km/h. And on the right is the introcycle of Eduard Melnikov. 1976. It could reach speeds of up to 60 km/h.
On the left is a dinasphere, an electric unicycle. 1932. It could reach speeds of up to 40 km/h. And on the right is the introcycle of Eduard Melnikov. 1976. It could reach speeds of up to 60 km/h.